Home / 776,613,225.30-1,071,719,176.14-424,189,122.72

Finding the Fourth Proportional to 776,613,225.30, 1,071,719,176.14 and 424,189,122.72

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Solution

The fourth proportional to 776,613,225.30, 1,071,719,176.14 and 424,189,122.72 is: 585,377,125.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,613,225.30 : 1,071,719,176.14 = 424,189,122.72 : x
  2. Step 2: Convert to fraction form
    776,613,225.30/1,071,719,176.14 = 424,189,122.72/x
  3. Step 3: Cross multiply
    776,613,225.30x = 1,071,719,176.14 × 424,189,122.72
  4. Step 4: Simplify right side
    776,613,225.30x = 454,611,617,129,027,776
  5. Step 5: Solve for x
    x = 454,611,617,129,027,776/776,613,225.30
  6. Step 6: Final answer
    x = 585,377,125.08

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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.