Home / 1,156,881,875.72-1,596,985,753.73-781,047,568.62

Finding the Fourth Proportional to 1,156,881,875.72, 1,596,985,753.73 and 781,047,568.62

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Solution

The fourth proportional to 1,156,881,875.72, 1,596,985,753.73 and 781,047,568.62 is: 1,078,175,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,881,875.72 : 1,596,985,753.73 = 781,047,568.62 : x
  2. Step 2: Convert to fraction form
    1,156,881,875.72/1,596,985,753.73 = 781,047,568.62/x
  3. Step 3: Cross multiply
    1,156,881,875.72x = 1,596,985,753.73 × 781,047,568.62
  4. Step 4: Simplify right side
    1,156,881,875.72x = 1,247,321,840,067,689,216
  5. Step 5: Solve for x
    x = 1,247,321,840,067,689,216/1,156,881,875.72
  6. Step 6: Final answer
    x = 1,078,175,625.58

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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.