Home / 709,146,521.14-1,065,334,037.09-513,014,898.28

Finding the Fourth Proportional to 709,146,521.14, 1,065,334,037.09 and 513,014,898.28

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Solution

The fourth proportional to 709,146,521.14, 1,065,334,037.09 and 513,014,898.28 is: 770,690,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,146,521.14 : 1,065,334,037.09 = 513,014,898.28 : x
  2. Step 2: Convert to fraction form
    709,146,521.14/1,065,334,037.09 = 513,014,898.28/x
  3. Step 3: Cross multiply
    709,146,521.14x = 1,065,334,037.09 × 513,014,898.28
  4. Step 4: Simplify right side
    709,146,521.14x = 546,532,232,670,148,352
  5. Step 5: Solve for x
    x = 546,532,232,670,148,352/709,146,521.14
  6. Step 6: Final answer
    x = 770,690,141.43

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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.