Home / 2,988,171,032.80-4,482,256,549.20-917,995,761.40

Finding the Fourth Proportional to 2,988,171,032.80, 4,482,256,549.20 and 917,995,761.40

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Solution

The fourth proportional to 2,988,171,032.80, 4,482,256,549.20 and 917,995,761.40 is: 1,376,993,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,171,032.80 : 4,482,256,549.20 = 917,995,761.40 : x
  2. Step 2: Convert to fraction form
    2,988,171,032.80/4,482,256,549.20 = 917,995,761.40/x
  3. Step 3: Cross multiply
    2,988,171,032.80x = 4,482,256,549.20 × 917,995,761.40
  4. Step 4: Simplify right side
    2,988,171,032.80x = 4,114,692,513,672,990,208
  5. Step 5: Solve for x
    x = 4,114,692,513,672,990,208/2,988,171,032.80
  6. Step 6: Final answer
    x = 1,376,993,642.10

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1.5x scale

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.