Home / 1,256,830,304.15-1,885,298,517.17-371,517,689.03

Finding the Fourth Proportional to 1,256,830,304.15, 1,885,298,517.17 and 371,517,689.03

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Solution

The fourth proportional to 1,256,830,304.15, 1,885,298,517.17 and 371,517,689.03 is: 557,292,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,830,304.15 : 1,885,298,517.17 = 371,517,689.03 : x
  2. Step 2: Convert to fraction form
    1,256,830,304.15/1,885,298,517.17 = 371,517,689.03/x
  3. Step 3: Cross multiply
    1,256,830,304.15x = 1,885,298,517.17 × 371,517,689.03
  4. Step 4: Simplify right side
    1,256,830,304.15x = 700,421,748,219,400,064
  5. Step 5: Solve for x
    x = 700,421,748,219,400,064/1,256,830,304.15
  6. Step 6: Final answer
    x = 557,292,218.30

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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.