Home / 356,079,947.34-490,248,272.43-277,662,875.34

Finding the Fourth Proportional to 356,079,947.34, 490,248,272.43 and 277,662,875.34

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Solution

The fourth proportional to 356,079,947.34, 490,248,272.43 and 277,662,875.34 is: 382,284,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,079,947.34 : 490,248,272.43 = 277,662,875.34 : x
  2. Step 2: Convert to fraction form
    356,079,947.34/490,248,272.43 = 277,662,875.34/x
  3. Step 3: Cross multiply
    356,079,947.34x = 490,248,272.43 × 277,662,875.34
  4. Step 4: Simplify right side
    356,079,947.34x = 136,123,744,953,381,440
  5. Step 5: Solve for x
    x = 136,123,744,953,381,440/356,079,947.34
  6. Step 6: Final answer
    x = 382,284,220.08

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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.