Home / 359,575,985.52-496,128,565.08-218,444,384.88

Finding the Fourth Proportional to 359,575,985.52, 496,128,565.08 and 218,444,384.88

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Solution

The fourth proportional to 359,575,985.52, 496,128,565.08 and 218,444,384.88 is: 301,400,826.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,575,985.52 : 496,128,565.08 = 218,444,384.88 : x
  2. Step 2: Convert to fraction form
    359,575,985.52/496,128,565.08 = 218,444,384.88/x
  3. Step 3: Cross multiply
    359,575,985.52x = 496,128,565.08 × 218,444,384.88
  4. Step 4: Simplify right side
    359,575,985.52x = 108,376,499,220,297,648
  5. Step 5: Solve for x
    x = 108,376,499,220,297,648/359,575,985.52
  6. Step 6: Final answer
    x = 301,400,826.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.