Home / 987,720,525.60-1,482,154,744.80-442,462,059.60

Finding the Fourth Proportional to 987,720,525.60, 1,482,154,744.80 and 442,462,059.60

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Solution

The fourth proportional to 987,720,525.60, 1,482,154,744.80 and 442,462,059.60 is: 663,950,200.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,720,525.60 : 1,482,154,744.80 = 442,462,059.60 : x
  2. Step 2: Convert to fraction form
    987,720,525.60/1,482,154,744.80 = 442,462,059.60/x
  3. Step 3: Cross multiply
    987,720,525.60x = 1,482,154,744.80 × 442,462,059.60
  4. Step 4: Simplify right side
    987,720,525.60x = 655,797,241,030,120,448
  5. Step 5: Solve for x
    x = 655,797,241,030,120,448/987,720,525.60
  6. Step 6: Final answer
    x = 663,950,200.52

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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.