Home / 9,358,490,844.18-12,915,029,692.53-5,129,413,569.24

Finding the Fourth Proportional to 9,358,490,844.18, 12,915,029,692.53 and 5,129,413,569.24

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Solution

The fourth proportional to 9,358,490,844.18, 12,915,029,692.53 and 5,129,413,569.24 is: 7,078,761,913.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,490,844.18 : 12,915,029,692.53 = 5,129,413,569.24 : x
  2. Step 2: Convert to fraction form
    9,358,490,844.18/12,915,029,692.53 = 5,129,413,569.24/x
  3. Step 3: Cross multiply
    9,358,490,844.18x = 12,915,029,692.53 × 5,129,413,569.24
  4. Step 4: Simplify right side
    9,358,490,844.18x = 66,246,528,552,000,888,832
  5. Step 5: Solve for x
    x = 66,246,528,552,000,888,832/9,358,490,844.18
  6. Step 6: Final answer
    x = 7,078,761,913.11

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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.