Home / 917,536,462.60-1,266,202,632.72-499,851,791.32

Finding the Fourth Proportional to 917,536,462.60, 1,266,202,632.72 and 499,851,791.32

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Solution

The fourth proportional to 917,536,462.60, 1,266,202,632.72 and 499,851,791.32 is: 689,796,732.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,536,462.60 : 1,266,202,632.72 = 499,851,791.32 : x
  2. Step 2: Convert to fraction form
    917,536,462.60/1,266,202,632.72 = 499,851,791.32/x
  3. Step 3: Cross multiply
    917,536,462.60x = 1,266,202,632.72 × 499,851,791.32
  4. Step 4: Simplify right side
    917,536,462.60x = 632,913,654,139,192,064
  5. Step 5: Solve for x
    x = 632,913,654,139,192,064/917,536,462.60
  6. Step 6: Final answer
    x = 689,796,732.81

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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.