Home / 551,298,005.80-826,947,008.70-496,772,159.20

Finding the Fourth Proportional to 551,298,005.80, 826,947,008.70 and 496,772,159.20

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Solution

The fourth proportional to 551,298,005.80, 826,947,008.70 and 496,772,159.20 is: 745,158,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,298,005.80 : 826,947,008.70 = 496,772,159.20 : x
  2. Step 2: Convert to fraction form
    551,298,005.80/826,947,008.70 = 496,772,159.20/x
  3. Step 3: Cross multiply
    551,298,005.80x = 826,947,008.70 × 496,772,159.20
  4. Step 4: Simplify right side
    551,298,005.80x = 410,804,251,055,880,192
  5. Step 5: Solve for x
    x = 410,804,251,055,880,192/551,298,005.80
  6. Step 6: Final answer
    x = 745,158,238.80

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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.