Home / 852,185,637.72-1,277,148,406.32-437,645,714.49

Finding the Fourth Proportional to 852,185,637.72, 1,277,148,406.32 and 437,645,714.49

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Solution

The fourth proportional to 852,185,637.72, 1,277,148,406.32 and 437,645,714.49 is: 655,888,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,185,637.72 : 1,277,148,406.32 = 437,645,714.49 : x
  2. Step 2: Convert to fraction form
    852,185,637.72/1,277,148,406.32 = 437,645,714.49/x
  3. Step 3: Cross multiply
    852,185,637.72x = 1,277,148,406.32 × 437,645,714.49
  4. Step 4: Simplify right side
    852,185,637.72x = 558,938,526,793,681,216
  5. Step 5: Solve for x
    x = 558,938,526,793,681,216/852,185,637.72
  6. Step 6: Final answer
    x = 655,888,226.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.