Home / 306,198,943,602.79-422,553,068,888.02-169,020,569,901.97

Finding the Fourth Proportional to 306,198,943,602.79, 422,553,068,888.02 and 169,020,569,901.97

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Solution

The fourth proportional to 306,198,943,602.79, 422,553,068,888.02 and 169,020,569,901.97 is: 233,247,573,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,198,943,602.79 : 422,553,068,888.02 = 169,020,569,901.97 : x
  2. Step 2: Convert to fraction form
    306,198,943,602.79/422,553,068,888.02 = 169,020,569,901.97/x
  3. Step 3: Cross multiply
    306,198,943,602.79x = 422,553,068,888.02 × 169,020,569,901.97
  4. Step 4: Simplify right side
    306,198,943,602.79x = 71,420,160,517,279,536,119,808
  5. Step 5: Solve for x
    x = 71,420,160,517,279,536,119,808/306,198,943,602.79
  6. Step 6: Final answer
    x = 233,247,573,218.04

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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.