Home / 774,156,867.80-1,161,235,301.70-657,255,594.20

Finding the Fourth Proportional to 774,156,867.80, 1,161,235,301.70 and 657,255,594.20

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Solution

The fourth proportional to 774,156,867.80, 1,161,235,301.70 and 657,255,594.20 is: 985,883,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,156,867.80 : 1,161,235,301.70 = 657,255,594.20 : x
  2. Step 2: Convert to fraction form
    774,156,867.80/1,161,235,301.70 = 657,255,594.20/x
  3. Step 3: Cross multiply
    774,156,867.80x = 1,161,235,301.70 × 657,255,594.20
  4. Step 4: Simplify right side
    774,156,867.80x = 763,228,398,224,849,920
  5. Step 5: Solve for x
    x = 763,228,398,224,849,920/774,156,867.80
  6. Step 6: Final answer
    x = 985,883,391.30

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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.