Home / 632,309,955.78-872,679,056.63-364,334,484.17

Finding the Fourth Proportional to 632,309,955.78, 872,679,056.63 and 364,334,484.17

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Solution

The fourth proportional to 632,309,955.78, 872,679,056.63 and 364,334,484.17 is: 502,834,205.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309,955.78 : 872,679,056.63 = 364,334,484.17 : x
  2. Step 2: Convert to fraction form
    632,309,955.78/872,679,056.63 = 364,334,484.17/x
  3. Step 3: Cross multiply
    632,309,955.78x = 872,679,056.63 × 364,334,484.17
  4. Step 4: Simplify right side
    632,309,955.78x = 317,947,073,943,253,312
  5. Step 5: Solve for x
    x = 317,947,073,943,253,312/632,309,955.78
  6. Step 6: Final answer
    x = 502,834,205.02

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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.