Home / 2,912,499,475.56-4,371,858,139.95-1,255,224,631.77

Finding the Fourth Proportional to 2,912,499,475.56, 4,371,858,139.95 and 1,255,224,631.77

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Solution

The fourth proportional to 2,912,499,475.56, 4,371,858,139.95 and 1,255,224,631.77 is: 1,884,176,828.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,499,475.56 : 4,371,858,139.95 = 1,255,224,631.77 : x
  2. Step 2: Convert to fraction form
    2,912,499,475.56/4,371,858,139.95 = 1,255,224,631.77/x
  3. Step 3: Cross multiply
    2,912,499,475.56x = 4,371,858,139.95 × 1,255,224,631.77
  4. Step 4: Simplify right side
    2,912,499,475.56x = 5,487,664,023,869,415,424
  5. Step 5: Solve for x
    x = 5,487,664,023,869,415,424/2,912,499,475.56
  6. Step 6: Final answer
    x = 1,884,176,828.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.