Home / 875,158,799.52-1,208,091,010.32-545,296,913.76

Finding the Fourth Proportional to 875,158,799.52, 1,208,091,010.32 and 545,296,913.76

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Solution

The fourth proportional to 875,158,799.52, 1,208,091,010.32 and 545,296,913.76 is: 752,741,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,158,799.52 : 1,208,091,010.32 = 545,296,913.76 : x
  2. Step 2: Convert to fraction form
    875,158,799.52/1,208,091,010.32 = 545,296,913.76/x
  3. Step 3: Cross multiply
    875,158,799.52x = 1,208,091,010.32 × 545,296,913.76
  4. Step 4: Simplify right side
    875,158,799.52x = 658,768,299,468,696,320
  5. Step 5: Solve for x
    x = 658,768,299,468,696,320/875,158,799.52
  6. Step 6: Final answer
    x = 752,741,445.13

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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.