Home / 498,185,781.40-747,349,987.76-153,168,374.44

Finding the Fourth Proportional to 498,185,781.40, 747,349,987.76 and 153,168,374.44

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Solution

The fourth proportional to 498,185,781.40, 747,349,987.76 and 153,168,374.44 is: 229,774,487.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,185,781.40 : 747,349,987.76 = 153,168,374.44 : x
  2. Step 2: Convert to fraction form
    498,185,781.40/747,349,987.76 = 153,168,374.44/x
  3. Step 3: Cross multiply
    498,185,781.40x = 747,349,987.76 × 153,168,374.44
  4. Step 4: Simplify right side
    498,185,781.40x = 114,470,382,762,953,088
  5. Step 5: Solve for x
    x = 114,470,382,762,953,088/498,185,781.40
  6. Step 6: Final answer
    x = 229,774,487.83

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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.