Home / 500,925,713.07-691,199,526.45-286,341,294.30

Finding the Fourth Proportional to 500,925,713.07, 691,199,526.45 and 286,341,294.30

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Solution

The fourth proportional to 500,925,713.07, 691,199,526.45 and 286,341,294.30 is: 395,106,423.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,925,713.07 : 691,199,526.45 = 286,341,294.30 : x
  2. Step 2: Convert to fraction form
    500,925,713.07/691,199,526.45 = 286,341,294.30/x
  3. Step 3: Cross multiply
    500,925,713.07x = 691,199,526.45 × 286,341,294.30
  4. Step 4: Simplify right side
    500,925,713.07x = 197,918,967,023,240,096
  5. Step 5: Solve for x
    x = 197,918,967,023,240,096/500,925,713.07
  6. Step 6: Final answer
    x = 395,106,423.69

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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.