Home / 306,198,943,649.56-422,553,068,952.30-169,020,569,948.54

Finding the Fourth Proportional to 306,198,943,649.56, 422,553,068,952.30 and 169,020,569,948.54

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Solution

The fourth proportional to 306,198,943,649.56, 422,553,068,952.30 and 169,020,569,948.54 is: 233,247,573,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,198,943,649.56 : 422,553,068,952.30 = 169,020,569,948.54 : x
  2. Step 2: Convert to fraction form
    306,198,943,649.56/422,553,068,952.30 = 169,020,569,948.54/x
  3. Step 3: Cross multiply
    306,198,943,649.56x = 422,553,068,952.30 × 169,020,569,948.54
  4. Step 4: Simplify right side
    306,198,943,649.56x = 71,420,160,547,822,466,236,416
  5. Step 5: Solve for x
    x = 71,420,160,547,822,466,236,416/306,198,943,649.56
  6. Step 6: Final answer
    x = 233,247,573,282.17

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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.