Home / 1,310,896,005.60-1,966,344,008.40-534,118,220.40

Finding the Fourth Proportional to 1,310,896,005.60, 1,966,344,008.40 and 534,118,220.40

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Solution

The fourth proportional to 1,310,896,005.60, 1,966,344,008.40 and 534,118,220.40 is: 801,177,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,896,005.60 : 1,966,344,008.40 = 534,118,220.40 : x
  2. Step 2: Convert to fraction form
    1,310,896,005.60/1,966,344,008.40 = 534,118,220.40/x
  3. Step 3: Cross multiply
    1,310,896,005.60x = 1,966,344,008.40 × 534,118,220.40
  4. Step 4: Simplify right side
    1,310,896,005.60x = 1,050,260,162,460,810,624
  5. Step 5: Solve for x
    x = 1,050,260,162,460,810,624/1,310,896,005.60
  6. Step 6: Final answer
    x = 801,177,330.60

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Half scale
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Double scale
Find fourth proportional to 1,310,896,006.60, 1,966,344,009.90 and 534,118,221.40
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.