Home / 500,925,713.81-691,199,527.48-286,341,295.05

Finding the Fourth Proportional to 500,925,713.81, 691,199,527.48 and 286,341,295.05

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Solution

The fourth proportional to 500,925,713.81, 691,199,527.48 and 286,341,295.05 is: 395,106,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,925,713.81 : 691,199,527.48 = 286,341,295.05 : x
  2. Step 2: Convert to fraction form
    500,925,713.81/691,199,527.48 = 286,341,295.05/x
  3. Step 3: Cross multiply
    500,925,713.81x = 691,199,527.48 × 286,341,295.05
  4. Step 4: Simplify right side
    500,925,713.81x = 197,918,967,835,855,392
  5. Step 5: Solve for x
    x = 197,918,967,835,855,392/500,925,713.81
  6. Step 6: Final answer
    x = 395,106,424.73

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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.