Home / 838,349,112.52-1,156,888,092.18-456,863,046.63

Finding the Fourth Proportional to 838,349,112.52, 1,156,888,092.18 and 456,863,046.63

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Solution

The fourth proportional to 838,349,112.52, 1,156,888,092.18 and 456,863,046.63 is: 630,452,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,349,112.52 : 1,156,888,092.18 = 456,863,046.63 : x
  2. Step 2: Convert to fraction form
    838,349,112.52/1,156,888,092.18 = 456,863,046.63/x
  3. Step 3: Cross multiply
    838,349,112.52x = 1,156,888,092.18 × 456,863,046.63
  4. Step 4: Simplify right side
    838,349,112.52x = 528,539,418,403,323,072
  5. Step 5: Solve for x
    x = 528,539,418,403,323,072/838,349,112.52
  6. Step 6: Final answer
    x = 630,452,648.56

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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.