Home / 1,102,284,701.40-1,653,427,052.10-830,186,909.40

Finding the Fourth Proportional to 1,102,284,701.40, 1,653,427,052.10 and 830,186,909.40

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Solution

The fourth proportional to 1,102,284,701.40, 1,653,427,052.10 and 830,186,909.40 is: 1,245,280,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,284,701.40 : 1,653,427,052.10 = 830,186,909.40 : x
  2. Step 2: Convert to fraction form
    1,102,284,701.40/1,653,427,052.10 = 830,186,909.40/x
  3. Step 3: Cross multiply
    1,102,284,701.40x = 1,653,427,052.10 × 830,186,909.40
  4. Step 4: Simplify right side
    1,102,284,701.40x = 1,372,653,494,301,251,584
  5. Step 5: Solve for x
    x = 1,372,653,494,301,251,584/1,102,284,701.40
  6. Step 6: Final answer
    x = 1,245,280,364.10

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Half scale
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Double scale
Find fourth proportional to 1,102,284,702.40, 1,653,427,053.60 and 830,186,910.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.