Home / 817,751,498.70-1,226,627,248.05-495,265,226.70

Finding the Fourth Proportional to 817,751,498.70, 1,226,627,248.05 and 495,265,226.70

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Solution

The fourth proportional to 817,751,498.70, 1,226,627,248.05 and 495,265,226.70 is: 742,897,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,751,498.70 : 1,226,627,248.05 = 495,265,226.70 : x
  2. Step 2: Convert to fraction form
    817,751,498.70/1,226,627,248.05 = 495,265,226.70/x
  3. Step 3: Cross multiply
    817,751,498.70x = 1,226,627,248.05 × 495,265,226.70
  4. Step 4: Simplify right side
    817,751,498.70x = 607,505,822,081,880,320
  5. Step 5: Solve for x
    x = 607,505,822,081,880,320/817,751,498.70
  6. Step 6: Final answer
    x = 742,897,840.05

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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.