Home / 897,573,701.49-1,238,671,308.42-495,686,631.42

Finding the Fourth Proportional to 897,573,701.49, 1,238,671,308.42 and 495,686,631.42

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Solution

The fourth proportional to 897,573,701.49, 1,238,671,308.42 and 495,686,631.42 is: 684,058,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,573,701.49 : 1,238,671,308.42 = 495,686,631.42 : x
  2. Step 2: Convert to fraction form
    897,573,701.49/1,238,671,308.42 = 495,686,631.42/x
  3. Step 3: Cross multiply
    897,573,701.49x = 1,238,671,308.42 × 495,686,631.42
  4. Step 4: Simplify right side
    897,573,701.49x = 613,992,808,307,313,792
  5. Step 5: Solve for x
    x = 613,992,808,307,313,792/897,573,701.49
  6. Step 6: Final answer
    x = 684,058,375.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.