Home / 440,366,187.60-660,549,281.40-181,448,132.40

Finding the Fourth Proportional to 440,366,187.60, 660,549,281.40 and 181,448,132.40

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Solution

The fourth proportional to 440,366,187.60, 660,549,281.40 and 181,448,132.40 is: 272,172,198.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,366,187.60 : 660,549,281.40 = 181,448,132.40 : x
  2. Step 2: Convert to fraction form
    440,366,187.60/660,549,281.40 = 181,448,132.40/x
  3. Step 3: Cross multiply
    440,366,187.60x = 660,549,281.40 × 181,448,132.40
  4. Step 4: Simplify right side
    440,366,187.60x = 119,855,433,468,192,064
  5. Step 5: Solve for x
    x = 119,855,433,468,192,064/440,366,187.60
  6. Step 6: Final answer
    x = 272,172,198.60

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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.