Home / 1,043,210,366.40-1,564,815,549.60-469,901,438.40

Finding the Fourth Proportional to 1,043,210,366.40, 1,564,815,549.60 and 469,901,438.40

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Solution

The fourth proportional to 1,043,210,366.40, 1,564,815,549.60 and 469,901,438.40 is: 704,852,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,210,366.40 : 1,564,815,549.60 = 469,901,438.40 : x
  2. Step 2: Convert to fraction form
    1,043,210,366.40/1,564,815,549.60 = 469,901,438.40/x
  3. Step 3: Cross multiply
    1,043,210,366.40x = 1,564,815,549.60 × 469,901,438.40
  4. Step 4: Simplify right side
    1,043,210,366.40x = 735,309,077,587,726,464
  5. Step 5: Solve for x
    x = 735,309,077,587,726,464/1,043,210,366.40
  6. Step 6: Final answer
    x = 704,852,157.60

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Double scale
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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.