Home / 1,420,527,562.20-2,130,743,316.78-500,379,854.76

Finding the Fourth Proportional to 1,420,527,562.20, 2,130,743,316.78 and 500,379,854.76

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Solution

The fourth proportional to 1,420,527,562.20, 2,130,743,316.78 and 500,379,854.76 is: 750,552,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,527,562.20 : 2,130,743,316.78 = 500,379,854.76 : x
  2. Step 2: Convert to fraction form
    1,420,527,562.20/2,130,743,316.78 = 500,379,854.76/x
  3. Step 3: Cross multiply
    1,420,527,562.20x = 2,130,743,316.78 × 500,379,854.76
  4. Step 4: Simplify right side
    1,420,527,562.20x = 1,066,181,031,381,217,024
  5. Step 5: Solve for x
    x = 1,066,181,031,381,217,024/1,420,527,562.20
  6. Step 6: Final answer
    x = 750,552,864.83

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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.