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Finding the Fourth Proportional to 1,266,121,702.01, 1,747,258,207.73 and 701,616,013.01

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Solution

The fourth proportional to 1,266,121,702.01, 1,747,258,207.73 and 701,616,013.01 is: 968,235,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,121,702.01 : 1,747,258,207.73 = 701,616,013.01 : x
  2. Step 2: Convert to fraction form
    1,266,121,702.01/1,747,258,207.73 = 701,616,013.01/x
  3. Step 3: Cross multiply
    1,266,121,702.01x = 1,747,258,207.73 × 701,616,013.01
  4. Step 4: Simplify right side
    1,266,121,702.01x = 1,225,904,337,412,643,328
  5. Step 5: Solve for x
    x = 1,225,904,337,412,643,328/1,266,121,702.01
  6. Step 6: Final answer
    x = 968,235,782.92

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1.5x scale

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.