Home / 358,711,269.60-538,192,875.60-154,302,002.40

Finding the Fourth Proportional to 358,711,269.60, 538,192,875.60 and 154,302,002.40

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Solution

The fourth proportional to 358,711,269.60, 538,192,875.60 and 154,302,002.40 is: 231,507,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,711,269.60 : 538,192,875.60 = 154,302,002.40 : x
  2. Step 2: Convert to fraction form
    358,711,269.60/538,192,875.60 = 154,302,002.40/x
  3. Step 3: Cross multiply
    358,711,269.60x = 538,192,875.60 × 154,302,002.40
  4. Step 4: Simplify right side
    358,711,269.60x = 83,044,238,382,494,112
  5. Step 5: Solve for x
    x = 83,044,238,382,494,112/358,711,269.60
  6. Step 6: Final answer
    x = 231,507,190.94

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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.