Home / 878,133,627.92-1,317,343,675.80-360,425,121.68

Finding the Fourth Proportional to 878,133,627.92, 1,317,343,675.80 and 360,425,121.68

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Solution

The fourth proportional to 878,133,627.92, 1,317,343,675.80 and 360,425,121.68 is: 540,696,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,133,627.92 : 1,317,343,675.80 = 360,425,121.68 : x
  2. Step 2: Convert to fraction form
    878,133,627.92/1,317,343,675.80 = 360,425,121.68/x
  3. Step 3: Cross multiply
    878,133,627.92x = 1,317,343,675.80 × 360,425,121.68
  4. Step 4: Simplify right side
    878,133,627.92x = 474,803,754,644,593,472
  5. Step 5: Solve for x
    x = 474,803,754,644,593,472/878,133,627.92
  6. Step 6: Final answer
    x = 540,696,472.10

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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.