Home / 442,904,386.90-664,356,580.35-270,717,502.90

Finding the Fourth Proportional to 442,904,386.90, 664,356,580.35 and 270,717,502.90

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Solution

The fourth proportional to 442,904,386.90, 664,356,580.35 and 270,717,502.90 is: 406,076,254.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,386.90 : 664,356,580.35 = 270,717,502.90 : x
  2. Step 2: Convert to fraction form
    442,904,386.90/664,356,580.35 = 270,717,502.90/x
  3. Step 3: Cross multiply
    442,904,386.90x = 664,356,580.35 × 270,717,502.90
  4. Step 4: Simplify right side
    442,904,386.90x = 179,852,954,467,535,200
  5. Step 5: Solve for x
    x = 179,852,954,467,535,200/442,904,386.90
  6. Step 6: Final answer
    x = 406,076,254.35

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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.