Home / 929,147,122.56-1,393,720,683.36-346,926,836.48

Finding the Fourth Proportional to 929,147,122.56, 1,393,720,683.36 and 346,926,836.48

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Solution

The fourth proportional to 929,147,122.56, 1,393,720,683.36 and 346,926,836.48 is: 520,390,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,147,122.56 : 1,393,720,683.36 = 346,926,836.48 : x
  2. Step 2: Convert to fraction form
    929,147,122.56/1,393,720,683.36 = 346,926,836.48/x
  3. Step 3: Cross multiply
    929,147,122.56x = 1,393,720,683.36 × 346,926,836.48
  4. Step 4: Simplify right side
    929,147,122.56x = 483,519,107,614,828,544
  5. Step 5: Solve for x
    x = 483,519,107,614,828,544/929,147,122.56
  6. Step 6: Final answer
    x = 520,390,254.54

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Double scale
Find fourth proportional to 929,147,123.56, 1,393,720,684.86 and 346,926,837.48
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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.