Home / 1,238,135,191.53-1,707,975,336.51-735,986,803.92

Finding the Fourth Proportional to 1,238,135,191.53, 1,707,975,336.51 and 735,986,803.92

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Solution

The fourth proportional to 1,238,135,191.53, 1,707,975,336.51 and 735,986,803.92 is: 1,015,274,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,135,191.53 : 1,707,975,336.51 = 735,986,803.92 : x
  2. Step 2: Convert to fraction form
    1,238,135,191.53/1,707,975,336.51 = 735,986,803.92/x
  3. Step 3: Cross multiply
    1,238,135,191.53x = 1,707,975,336.51 × 735,986,803.92
  4. Step 4: Simplify right side
    1,238,135,191.53x = 1,257,047,309,092,181,248
  5. Step 5: Solve for x
    x = 1,257,047,309,092,181,248/1,238,135,191.53
  6. Step 6: Final answer
    x = 1,015,274,678.96

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Double scale
Find fourth proportional to 1,238,135,192.53, 1,707,975,337.89 and 735,986,804.92
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.