Home / 769,826,401.10-1,154,739,601.65-754,520,900.30

Finding the Fourth Proportional to 769,826,401.10, 1,154,739,601.65 and 754,520,900.30

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Solution

The fourth proportional to 769,826,401.10, 1,154,739,601.65 and 754,520,900.30 is: 1,131,781,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,826,401.10 : 1,154,739,601.65 = 754,520,900.30 : x
  2. Step 2: Convert to fraction form
    769,826,401.10/1,154,739,601.65 = 754,520,900.30/x
  3. Step 3: Cross multiply
    769,826,401.10x = 1,154,739,601.65 × 754,520,900.30
  4. Step 4: Simplify right side
    769,826,401.10x = 871,275,163,849,021,440
  5. Step 5: Solve for x
    x = 871,275,163,849,021,440/769,826,401.10
  6. Step 6: Final answer
    x = 1,131,781,350.45

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Double scale
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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.