Home / 440,346,038.10-660,519,057.15-133,637,658.90

Finding the Fourth Proportional to 440,346,038.10, 660,519,057.15 and 133,637,658.90

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Solution

The fourth proportional to 440,346,038.10, 660,519,057.15 and 133,637,658.90 is: 200,456,488.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,346,038.10 : 660,519,057.15 = 133,637,658.90 : x
  2. Step 2: Convert to fraction form
    440,346,038.10/660,519,057.15 = 133,637,658.90/x
  3. Step 3: Cross multiply
    440,346,038.10x = 660,519,057.15 × 133,637,658.90
  4. Step 4: Simplify right side
    440,346,038.10x = 88,270,220,456,361,312
  5. Step 5: Solve for x
    x = 88,270,220,456,361,312/440,346,038.10
  6. Step 6: Final answer
    x = 200,456,488.35

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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.