Home / 709,146,525.14-1,065,334,043.10-513,014,902.28

Finding the Fourth Proportional to 709,146,525.14, 1,065,334,043.10 and 513,014,902.28

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Solution

The fourth proportional to 709,146,525.14, 1,065,334,043.10 and 513,014,902.28 is: 770,690,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,146,525.14 : 1,065,334,043.10 = 513,014,902.28 : x
  2. Step 2: Convert to fraction form
    709,146,525.14/1,065,334,043.10 = 513,014,902.28/x
  3. Step 3: Cross multiply
    709,146,525.14x = 1,065,334,043.10 × 513,014,902.28
  4. Step 4: Simplify right side
    709,146,525.14x = 546,532,240,016,503,808
  5. Step 5: Solve for x
    x = 546,532,240,016,503,808/709,146,525.14
  6. Step 6: Final answer
    x = 770,690,147.44

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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.