Home / 929,147,123.06-1,393,720,684.11-346,926,836.98

Finding the Fourth Proportional to 929,147,123.06, 1,393,720,684.11 and 346,926,836.98

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Solution

The fourth proportional to 929,147,123.06, 1,393,720,684.11 and 346,926,836.98 is: 520,390,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,147,123.06 : 1,393,720,684.11 = 346,926,836.98 : x
  2. Step 2: Convert to fraction form
    929,147,123.06/1,393,720,684.11 = 346,926,836.98/x
  3. Step 3: Cross multiply
    929,147,123.06x = 1,393,720,684.11 × 346,926,836.98
  4. Step 4: Simplify right side
    929,147,123.06x = 483,519,108,571,884,032
  5. Step 5: Solve for x
    x = 483,519,108,571,884,032/929,147,123.06
  6. Step 6: Final answer
    x = 520,390,255.29

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Double scale
Find fourth proportional to 929,147,124.06, 1,393,720,685.61 and 346,926,837.98
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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.