Home / 987,720,464.10-1,482,154,652.52-442,461,998.10

Finding the Fourth Proportional to 987,720,464.10, 1,482,154,652.52 and 442,461,998.10

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Solution

The fourth proportional to 987,720,464.10, 1,482,154,652.52 and 442,461,998.10 is: 663,950,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,720,464.10 : 1,482,154,652.52 = 442,461,998.10 : x
  2. Step 2: Convert to fraction form
    987,720,464.10/1,482,154,652.52 = 442,461,998.10/x
  3. Step 3: Cross multiply
    987,720,464.10x = 1,482,154,652.52 × 442,461,998.10
  4. Step 4: Simplify right side
    987,720,464.10x = 655,797,109,047,210,368
  5. Step 5: Solve for x
    x = 655,797,109,047,210,368/987,720,464.10
  6. Step 6: Final answer
    x = 663,950,108.24

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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.