Home / 5,779,123,119.64-7,975,054,262.78-3,400,415,125.56

Finding the Fourth Proportional to 5,779,123,119.64, 7,975,054,262.78 and 3,400,415,125.56

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Solution

The fourth proportional to 5,779,123,119.64, 7,975,054,262.78 and 3,400,415,125.56 is: 4,692,493,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779,123,119.64 : 7,975,054,262.78 = 3,400,415,125.56 : x
  2. Step 2: Convert to fraction form
    5,779,123,119.64/7,975,054,262.78 = 3,400,415,125.56/x
  3. Step 3: Cross multiply
    5,779,123,119.64x = 7,975,054,262.78 × 3,400,415,125.56
  4. Step 4: Simplify right side
    5,779,123,119.64x = 27,118,495,142,318,866,432
  5. Step 5: Solve for x
    x = 27,118,495,142,318,866,432/5,779,123,119.64
  6. Step 6: Final answer
    x = 4,692,493,061.82

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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.