Home / 278,675,257.40-417,963,119.70-176,256,006.20

Finding the Fourth Proportional to 278,675,257.40, 417,963,119.70 and 176,256,006.20

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Solution

The fourth proportional to 278,675,257.40, 417,963,119.70 and 176,256,006.20 is: 264,352,533.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,675,257.40 : 417,963,119.70 = 176,256,006.20 : x
  2. Step 2: Convert to fraction form
    278,675,257.40/417,963,119.70 = 176,256,006.20/x
  3. Step 3: Cross multiply
    278,675,257.40x = 417,963,119.70 × 176,256,006.20
  4. Step 4: Simplify right side
    278,675,257.40x = 73,668,510,217,214,528
  5. Step 5: Solve for x
    x = 73,668,510,217,214,528/278,675,257.40
  6. Step 6: Final answer
    x = 264,352,533.14

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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.