Home / 637,781,607.55-880,138,611.11-344,426,175.55

Finding the Fourth Proportional to 637,781,607.55, 880,138,611.11 and 344,426,175.55

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Solution

The fourth proportional to 637,781,607.55, 880,138,611.11 and 344,426,175.55 is: 475,308,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,607.55 : 880,138,611.11 = 344,426,175.55 : x
  2. Step 2: Convert to fraction form
    637,781,607.55/880,138,611.11 = 344,426,175.55/x
  3. Step 3: Cross multiply
    637,781,607.55x = 880,138,611.11 × 344,426,175.55
  4. Step 4: Simplify right side
    637,781,607.55x = 303,142,775,778,506,048
  5. Step 5: Solve for x
    x = 303,142,775,778,506,048/637,781,607.55
  6. Step 6: Final answer
    x = 475,308,118.31

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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.