Home / 838,692,758.43-1,157,399,514.27-462,341,086.47

Finding the Fourth Proportional to 838,692,758.43, 1,157,399,514.27 and 462,341,086.47

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Solution

The fourth proportional to 838,692,758.43, 1,157,399,514.27 and 462,341,086.47 is: 638,032,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,692,758.43 : 1,157,399,514.27 = 462,341,086.47 : x
  2. Step 2: Convert to fraction form
    838,692,758.43/1,157,399,514.27 = 462,341,086.47/x
  3. Step 3: Cross multiply
    838,692,758.43x = 1,157,399,514.27 × 462,341,086.47
  4. Step 4: Simplify right side
    838,692,758.43x = 535,113,348,907,442,112
  5. Step 5: Solve for x
    x = 535,113,348,907,442,112/838,692,758.43
  6. Step 6: Final answer
    x = 638,032,632.96

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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.