Home / 1,328,037,371.80-1,832,853,156.55-771,120,402.46

Finding the Fourth Proportional to 1,328,037,371.80, 1,832,853,156.55 and 771,120,402.46

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Solution

The fourth proportional to 1,328,037,371.80, 1,832,853,156.55 and 771,120,402.46 is: 1,064,239,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,037,371.80 : 1,832,853,156.55 = 771,120,402.46 : x
  2. Step 2: Convert to fraction form
    1,328,037,371.80/1,832,853,156.55 = 771,120,402.46/x
  3. Step 3: Cross multiply
    1,328,037,371.80x = 1,832,853,156.55 × 771,120,402.46
  4. Step 4: Simplify right side
    1,328,037,371.80x = 1,413,350,463,722,407,424
  5. Step 5: Solve for x
    x = 1,413,350,463,722,407,424/1,328,037,371.80
  6. Step 6: Final answer
    x = 1,064,239,978.28

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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.