Home / 288,636,706.38-398,348,342.78-175,614,222.01

Finding the Fourth Proportional to 288,636,706.38, 398,348,342.78 and 175,614,222.01

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Solution

The fourth proportional to 288,636,706.38, 398,348,342.78 and 175,614,222.01 is: 242,365,689.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,636,706.38 : 398,348,342.78 = 175,614,222.01 : x
  2. Step 2: Convert to fraction form
    288,636,706.38/398,348,342.78 = 175,614,222.01/x
  3. Step 3: Cross multiply
    288,636,706.38x = 398,348,342.78 × 175,614,222.01
  4. Step 4: Simplify right side
    288,636,706.38x = 69,955,634,303,412,680
  5. Step 5: Solve for x
    x = 69,955,634,303,412,680/288,636,706.38
  6. Step 6: Final answer
    x = 242,365,689.32

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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.