Home / 987,720,526.60-1,482,154,746.30-442,462,060.60

Finding the Fourth Proportional to 987,720,526.60, 1,482,154,746.30 and 442,462,060.60

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Solution

The fourth proportional to 987,720,526.60, 1,482,154,746.30 and 442,462,060.60 is: 663,950,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,720,526.60 : 1,482,154,746.30 = 442,462,060.60 : x
  2. Step 2: Convert to fraction form
    987,720,526.60/1,482,154,746.30 = 442,462,060.60/x
  3. Step 3: Cross multiply
    987,720,526.60x = 1,482,154,746.30 × 442,462,060.60
  4. Step 4: Simplify right side
    987,720,526.60x = 655,797,243,175,968,256
  5. Step 5: Solve for x
    x = 655,797,243,175,968,256/987,720,526.60
  6. Step 6: Final answer
    x = 663,950,202.02

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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.