Home / 971,805,924.03-1,342,018,390.08-918,862,557.18

Finding the Fourth Proportional to 971,805,924.03, 1,342,018,390.08 and 918,862,557.18

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Solution

The fourth proportional to 971,805,924.03, 1,342,018,390.08 and 918,862,557.18 is: 1,268,906,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,805,924.03 : 1,342,018,390.08 = 918,862,557.18 : x
  2. Step 2: Convert to fraction form
    971,805,924.03/1,342,018,390.08 = 918,862,557.18/x
  3. Step 3: Cross multiply
    971,805,924.03x = 1,342,018,390.08 × 918,862,557.18
  4. Step 4: Simplify right side
    971,805,924.03x = 1,233,130,449,691,495,424
  5. Step 5: Solve for x
    x = 1,233,130,449,691,495,424/971,805,924.03
  6. Step 6: Final answer
    x = 1,268,906,084.23

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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.