Home / 403,136,836.20-604,257,356.70-221,514,359.40

Finding the Fourth Proportional to 403,136,836.20, 604,257,356.70 and 221,514,359.40

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Solution

The fourth proportional to 403,136,836.20, 604,257,356.70 and 221,514,359.40 is: 332,025,429.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,136,836.20 : 604,257,356.70 = 221,514,359.40 : x
  2. Step 2: Convert to fraction form
    403,136,836.20/604,257,356.70 = 221,514,359.40/x
  3. Step 3: Cross multiply
    403,136,836.20x = 604,257,356.70 × 221,514,359.40
  4. Step 4: Simplify right side
    403,136,836.20x = 133,851,681,282,137,808
  5. Step 5: Solve for x
    x = 133,851,681,282,137,808/403,136,836.20
  6. Step 6: Final answer
    x = 332,025,429.74

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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.