Home / 731,670,749.38-1,097,721,719.76-294,746,597.38

Finding the Fourth Proportional to 731,670,749.38, 1,097,721,719.76 and 294,746,597.38

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Solution

The fourth proportional to 731,670,749.38, 1,097,721,719.76 and 294,746,597.38 is: 442,206,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,670,749.38 : 1,097,721,719.76 = 294,746,597.38 : x
  2. Step 2: Convert to fraction form
    731,670,749.38/1,097,721,719.76 = 294,746,597.38/x
  3. Step 3: Cross multiply
    731,670,749.38x = 1,097,721,719.76 × 294,746,597.38
  4. Step 4: Simplify right side
    731,670,749.38x = 323,549,741,769,381,888
  5. Step 5: Solve for x
    x = 323,549,741,769,381,888/731,670,749.38
  6. Step 6: Final answer
    x = 442,206,746.74

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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.