Home / 385,079,563,209.57-577,731,139,156.80-155,228,278,660.53

Finding the Fourth Proportional to 385,079,563,209.57, 577,731,139,156.80 and 155,228,278,660.53

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Solution

The fourth proportional to 385,079,563,209.57, 577,731,139,156.80 and 155,228,278,660.53 is: 232,887,483,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,079,563,209.57 : 577,731,139,156.80 = 155,228,278,660.53 : x
  2. Step 2: Convert to fraction form
    385,079,563,209.57/577,731,139,156.80 = 155,228,278,660.53/x
  3. Step 3: Cross multiply
    385,079,563,209.57x = 577,731,139,156.80 × 155,228,278,660.53
  4. Step 4: Simplify right side
    385,079,563,209.57x = 89,680,210,259,897,193,857,024
  5. Step 5: Solve for x
    x = 89,680,210,259,897,193,857,024/385,079,563,209.57
  6. Step 6: Final answer
    x = 232,887,483,076.04

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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.