Home / 1,156,881,873.20-1,596,985,750.27-781,047,566.10

Finding the Fourth Proportional to 1,156,881,873.20, 1,596,985,750.27 and 781,047,566.10

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Solution

The fourth proportional to 1,156,881,873.20, 1,596,985,750.27 and 781,047,566.10 is: 1,078,175,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,881,873.20 : 1,596,985,750.27 = 781,047,566.10 : x
  2. Step 2: Convert to fraction form
    1,156,881,873.20/1,596,985,750.27 = 781,047,566.10/x
  3. Step 3: Cross multiply
    1,156,881,873.20x = 1,596,985,750.27 × 781,047,566.10
  4. Step 4: Simplify right side
    1,156,881,873.20x = 1,247,321,833,344,765,952
  5. Step 5: Solve for x
    x = 1,247,321,833,344,765,952/1,156,881,873.20
  6. Step 6: Final answer
    x = 1,078,175,622.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.