Home / 282,908,819.28-424,433,839.68-98,678,948.16

Finding the Fourth Proportional to 282,908,819.28, 424,433,839.68 and 98,678,948.16

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Solution

The fourth proportional to 282,908,819.28, 424,433,839.68 and 98,678,948.16 is: 148,043,051.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,908,819.28 : 424,433,839.68 = 98,678,948.16 : x
  2. Step 2: Convert to fraction form
    282,908,819.28/424,433,839.68 = 98,678,948.16/x
  3. Step 3: Cross multiply
    282,908,819.28x = 424,433,839.68 × 98,678,948.16
  4. Step 4: Simplify right side
    282,908,819.28x = 41,882,684,863,132,472
  5. Step 5: Solve for x
    x = 41,882,684,863,132,472/282,908,819.28
  6. Step 6: Final answer
    x = 148,043,051.36

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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.