Home / 875,158,787.52-1,208,090,993.76-545,296,901.76

Finding the Fourth Proportional to 875,158,787.52, 1,208,090,993.76 and 545,296,901.76

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Solution

The fourth proportional to 875,158,787.52, 1,208,090,993.76 and 545,296,901.76 is: 752,741,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,158,787.52 : 1,208,090,993.76 = 545,296,901.76 : x
  2. Step 2: Convert to fraction form
    875,158,787.52/1,208,090,993.76 = 545,296,901.76/x
  3. Step 3: Cross multiply
    875,158,787.52x = 1,208,090,993.76 × 545,296,901.76
  4. Step 4: Simplify right side
    875,158,787.52x = 658,768,275,941,487,488
  5. Step 5: Solve for x
    x = 658,768,275,941,487,488/875,158,787.52
  6. Step 6: Final answer
    x = 752,741,428.57

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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.