Home / 398,637,681.05-598,261,722.89-180,441,254.18

Finding the Fourth Proportional to 398,637,681.05, 598,261,722.89 and 180,441,254.18

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Solution

The fourth proportional to 398,637,681.05, 598,261,722.89 and 180,441,254.18 is: 270,800,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,637,681.05 : 598,261,722.89 = 180,441,254.18 : x
  2. Step 2: Convert to fraction form
    398,637,681.05/598,261,722.89 = 180,441,254.18/x
  3. Step 3: Cross multiply
    398,637,681.05x = 598,261,722.89 × 180,441,254.18
  4. Step 4: Simplify right side
    398,637,681.05x = 107,951,095,602,265,712
  5. Step 5: Solve for x
    x = 107,951,095,602,265,712/398,637,681.05
  6. Step 6: Final answer
    x = 270,800,029.04

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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.