Home / 45,349,672,001.80-68,024,508,002.70-40,778,429,096.20

Finding the Fourth Proportional to 45,349,672,001.80, 68,024,508,002.70 and 40,778,429,096.20

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Solution

The fourth proportional to 45,349,672,001.80, 68,024,508,002.70 and 40,778,429,096.20 is: 61,167,643,644.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349,672,001.80 : 68,024,508,002.70 = 40,778,429,096.20 : x
  2. Step 2: Convert to fraction form
    45,349,672,001.80/68,024,508,002.70 = 40,778,429,096.20/x
  3. Step 3: Cross multiply
    45,349,672,001.80x = 68,024,508,002.70 × 40,778,429,096.20
  4. Step 4: Simplify right side
    45,349,672,001.80x = 2,773,932,576,391,991,132,160
  5. Step 5: Solve for x
    x = 2,773,932,576,391,991,132,160/45,349,672,001.80
  6. Step 6: Final answer
    x = 61,167,643,644.30

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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.