Home / 424,168,551.38-636,246,424.63-190,834,490.46

Finding the Fourth Proportional to 424,168,551.38, 636,246,424.63 and 190,834,490.46

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Solution

The fourth proportional to 424,168,551.38, 636,246,424.63 and 190,834,490.46 is: 286,248,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,168,551.38 : 636,246,424.63 = 190,834,490.46 : x
  2. Step 2: Convert to fraction form
    424,168,551.38/636,246,424.63 = 190,834,490.46/x
  3. Step 3: Cross multiply
    424,168,551.38x = 636,246,424.63 × 190,834,490.46
  4. Step 4: Simplify right side
    424,168,551.38x = 121,417,762,253,885,408
  5. Step 5: Solve for x
    x = 121,417,762,253,885,408/424,168,551.38
  6. Step 6: Final answer
    x = 286,248,855.22

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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.