Home / 145,664,379,253.07-218,479,878,372.12-38,109,033,672.87

Finding the Fourth Proportional to 145,664,379,253.07, 218,479,878,372.12 and 38,109,033,672.87

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Solution

The fourth proportional to 145,664,379,253.07, 218,479,878,372.12 and 38,109,033,672.87 is: 57,159,183,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,664,379,253.07 : 218,479,878,372.12 = 38,109,033,672.87 : x
  2. Step 2: Convert to fraction form
    145,664,379,253.07/218,479,878,372.12 = 38,109,033,672.87/x
  3. Step 3: Cross multiply
    145,664,379,253.07x = 218,479,878,372.12 × 38,109,033,672.87
  4. Step 4: Simplify right side
    145,664,379,253.07x = 8,326,057,041,727,663,898,624
  5. Step 5: Solve for x
    x = 8,326,057,041,727,663,898,624/145,664,379,253.07
  6. Step 6: Final answer
    x = 57,159,183,902.21

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1.5x scale

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.