Home / 1,408,543,359.40-2,112,815,039.10-488,512,700.20

Finding the Fourth Proportional to 1,408,543,359.40, 2,112,815,039.10 and 488,512,700.20

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Solution

The fourth proportional to 1,408,543,359.40, 2,112,815,039.10 and 488,512,700.20 is: 732,769,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,543,359.40 : 2,112,815,039.10 = 488,512,700.20 : x
  2. Step 2: Convert to fraction form
    1,408,543,359.40/2,112,815,039.10 = 488,512,700.20/x
  3. Step 3: Cross multiply
    1,408,543,359.40x = 2,112,815,039.10 × 488,512,700.20
  4. Step 4: Simplify right side
    1,408,543,359.40x = 1,032,136,979,773,909,504
  5. Step 5: Solve for x
    x = 1,032,136,979,773,909,504/1,408,543,359.40
  6. Step 6: Final answer
    x = 732,769,050.30

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Double scale
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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.