Home / 4,189,402,864.90-6,284,749,998.18-1,428,386,179.96

Finding the Fourth Proportional to 4,189,402,864.90, 6,284,749,998.18 and 1,428,386,179.96

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Solution

The fourth proportional to 4,189,402,864.90, 6,284,749,998.18 and 1,428,386,179.96 is: 2,142,799,423.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189,402,864.90 : 6,284,749,998.18 = 1,428,386,179.96 : x
  2. Step 2: Convert to fraction form
    4,189,402,864.90/6,284,749,998.18 = 1,428,386,179.96/x
  3. Step 3: Cross multiply
    4,189,402,864.90x = 6,284,749,998.18 × 1,428,386,179.96
  4. Step 4: Simplify right side
    4,189,402,864.90x = 8,977,050,041,872,523,264
  5. Step 5: Solve for x
    x = 8,977,050,041,872,523,264/4,189,402,864.90
  6. Step 6: Final answer
    x = 2,142,799,423.06

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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.