Home / 940,564,487.98-1,296,774,081.19-770,391,819.55

Finding the Fourth Proportional to 940,564,487.98, 1,296,774,081.19 and 770,391,819.55

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Solution

The fourth proportional to 940,564,487.98, 1,296,774,081.19 and 770,391,819.55 is: 1,062,153,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,564,487.98 : 1,296,774,081.19 = 770,391,819.55 : x
  2. Step 2: Convert to fraction form
    940,564,487.98/1,296,774,081.19 = 770,391,819.55/x
  3. Step 3: Cross multiply
    940,564,487.98x = 1,296,774,081.19 × 770,391,819.55
  4. Step 4: Simplify right side
    940,564,487.98x = 999,024,143,953,243,520
  5. Step 5: Solve for x
    x = 999,024,143,953,243,520/940,564,487.98
  6. Step 6: Final answer
    x = 1,062,153,798.83

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Double scale
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1.5x scale

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.