Home / 238,520,461,771.17-357,754,174,599.63-85,359,170,793.35

Finding the Fourth Proportional to 238,520,461,771.17, 357,754,174,599.63 and 85,359,170,793.35

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Solution

The fourth proportional to 238,520,461,771.17, 357,754,174,599.63 and 85,359,170,793.35 is: 128,029,266,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,520,461,771.17 : 357,754,174,599.63 = 85,359,170,793.35 : x
  2. Step 2: Convert to fraction form
    238,520,461,771.17/357,754,174,599.63 = 85,359,170,793.35/x
  3. Step 3: Cross multiply
    238,520,461,771.17x = 357,754,174,599.63 × 85,359,170,793.35
  4. Step 4: Simplify right side
    238,520,461,771.17x = 30,537,599,691,681,985,200,128
  5. Step 5: Solve for x
    x = 30,537,599,691,681,985,200,128/238,520,461,771.17
  6. Step 6: Final answer
    x = 128,029,266,189.24

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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.