Home / 864,077,945.70-1,295,592,052.65-338,817,777.06

Finding the Fourth Proportional to 864,077,945.70, 1,295,592,052.65 and 338,817,777.06

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Solution

The fourth proportional to 864,077,945.70, 1,295,592,052.65 and 338,817,777.06 is: 508,020,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,077,945.70 : 1,295,592,052.65 = 338,817,777.06 : x
  2. Step 2: Convert to fraction form
    864,077,945.70/1,295,592,052.65 = 338,817,777.06/x
  3. Step 3: Cross multiply
    864,077,945.70x = 1,295,592,052.65 × 338,817,777.06
  4. Step 4: Simplify right side
    864,077,945.70x = 438,969,619,255,475,520
  5. Step 5: Solve for x
    x = 438,969,619,255,475,520/864,077,945.70
  6. Step 6: Final answer
    x = 508,020,857.89

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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.