Home / 1,138,179,537-1,570,206,800.57-761,957,337.90

Finding the Fourth Proportional to 1,138,179,537, 1,570,206,800.57 and 761,957,337.90

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Solution

The fourth proportional to 1,138,179,537, 1,570,206,800.57 and 761,957,337.90 is: 1,051,179,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,179,537 : 1,570,206,800.57 = 761,957,337.90 : x
  2. Step 2: Convert to fraction form
    1,138,179,537/1,570,206,800.57 = 761,957,337.90/x
  3. Step 3: Cross multiply
    1,138,179,537x = 1,570,206,800.57 × 761,957,337.90
  4. Step 4: Simplify right side
    1,138,179,537x = 1,196,430,593,710,983,680
  5. Step 5: Solve for x
    x = 1,196,430,593,710,983,680/1,138,179,537
  6. Step 6: Final answer
    x = 1,051,179,146.01

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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.