Home / 637,781,632.80-880,138,646.12-344,426,200.80

Finding the Fourth Proportional to 637,781,632.80, 880,138,646.12 and 344,426,200.80

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Solution

The fourth proportional to 637,781,632.80, 880,138,646.12 and 344,426,200.80 is: 475,308,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,632.80 : 880,138,646.12 = 344,426,200.80 : x
  2. Step 2: Convert to fraction form
    637,781,632.80/880,138,646.12 = 344,426,200.80/x
  3. Step 3: Cross multiply
    637,781,632.80x = 880,138,646.12 × 344,426,200.80
  4. Step 4: Simplify right side
    637,781,632.80x = 303,142,810,060,367,296
  5. Step 5: Solve for x
    x = 303,142,810,060,367,296/637,781,632.80
  6. Step 6: Final answer
    x = 475,308,153.25

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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.