Home / 1,345,565,680.80-2,018,726,434.80-655,495,447.20

Finding the Fourth Proportional to 1,345,565,680.80, 2,018,726,434.80 and 655,495,447.20

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Solution

The fourth proportional to 1,345,565,680.80, 2,018,726,434.80 and 655,495,447.20 is: 983,427,272.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,565,680.80 : 2,018,726,434.80 = 655,495,447.20 : x
  2. Step 2: Convert to fraction form
    1,345,565,680.80/2,018,726,434.80 = 655,495,447.20/x
  3. Step 3: Cross multiply
    1,345,565,680.80x = 2,018,726,434.80 × 655,495,447.20
  4. Step 4: Simplify right side
    1,345,565,680.80x = 1,323,265,987,153,687,808
  5. Step 5: Solve for x
    x = 1,323,265,987,153,687,808/1,345,565,680.80
  6. Step 6: Final answer
    x = 983,427,272.29

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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.