Home / 637,781,629.42-880,138,641.45-344,426,197.42

Finding the Fourth Proportional to 637,781,629.42, 880,138,641.45 and 344,426,197.42

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Solution

The fourth proportional to 637,781,629.42, 880,138,641.45 and 344,426,197.42 is: 475,308,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,781,629.42 : 880,138,641.45 = 344,426,197.42 : x
  2. Step 2: Convert to fraction form
    637,781,629.42/880,138,641.45 = 344,426,197.42/x
  3. Step 3: Cross multiply
    637,781,629.42x = 880,138,641.45 × 344,426,197.42
  4. Step 4: Simplify right side
    637,781,629.42x = 303,142,805,477,028,352
  5. Step 5: Solve for x
    x = 303,142,805,477,028,352/637,781,629.42
  6. Step 6: Final answer
    x = 475,308,148.58

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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.