Home / 484,513,154.70-726,769,732.05-430,943,901.90

Finding the Fourth Proportional to 484,513,154.70, 726,769,732.05 and 430,943,901.90

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Solution

The fourth proportional to 484,513,154.70, 726,769,732.05 and 430,943,901.90 is: 646,415,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,513,154.70 : 726,769,732.05 = 430,943,901.90 : x
  2. Step 2: Convert to fraction form
    484,513,154.70/726,769,732.05 = 430,943,901.90/x
  3. Step 3: Cross multiply
    484,513,154.70x = 726,769,732.05 × 430,943,901.90
  4. Step 4: Simplify right side
    484,513,154.70x = 313,196,984,112,444,480
  5. Step 5: Solve for x
    x = 313,196,984,112,444,480/484,513,154.70
  6. Step 6: Final answer
    x = 646,415,852.85

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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.