Home / 1,055,860,337.20-1,584,357,376.20-442,506,564.40

Finding the Fourth Proportional to 1,055,860,337.20, 1,584,357,376.20 and 442,506,564.40

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Solution

The fourth proportional to 1,055,860,337.20, 1,584,357,376.20 and 442,506,564.40 is: 663,997,419.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,860,337.20 : 1,584,357,376.20 = 442,506,564.40 : x
  2. Step 2: Convert to fraction form
    1,055,860,337.20/1,584,357,376.20 = 442,506,564.40/x
  3. Step 3: Cross multiply
    1,055,860,337.20x = 1,584,357,376.20 × 442,506,564.40
  4. Step 4: Simplify right side
    1,055,860,337.20x = 701,088,539,324,060,288
  5. Step 5: Solve for x
    x = 701,088,539,324,060,288/1,055,860,337.20
  6. Step 6: Final answer
    x = 663,997,419.57

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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.