Home / 1,429,046,814.20-2,143,332,466.97-432,830,989.14

Finding the Fourth Proportional to 1,429,046,814.20, 2,143,332,466.97 and 432,830,989.14

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Solution

The fourth proportional to 1,429,046,814.20, 2,143,332,466.97 and 432,830,989.14 is: 649,174,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,046,814.20 : 2,143,332,466.97 = 432,830,989.14 : x
  2. Step 2: Convert to fraction form
    1,429,046,814.20/2,143,332,466.97 = 432,830,989.14/x
  3. Step 3: Cross multiply
    1,429,046,814.20x = 2,143,332,466.97 × 432,830,989.14
  4. Step 4: Simplify right side
    1,429,046,814.20x = 927,700,711,732,337,280
  5. Step 5: Solve for x
    x = 927,700,711,732,337,280/1,429,046,814.20
  6. Step 6: Final answer
    x = 649,174,472.46

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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.