Home / 895,425,415.70-1,343,138,123.55-312,966,079.70

Finding the Fourth Proportional to 895,425,415.70, 1,343,138,123.55 and 312,966,079.70

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Solution

The fourth proportional to 895,425,415.70, 1,343,138,123.55 and 312,966,079.70 is: 469,449,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,425,415.70 : 1,343,138,123.55 = 312,966,079.70 : x
  2. Step 2: Convert to fraction form
    895,425,415.70/1,343,138,123.55 = 312,966,079.70/x
  3. Step 3: Cross multiply
    895,425,415.70x = 1,343,138,123.55 × 312,966,079.70
  4. Step 4: Simplify right side
    895,425,415.70x = 420,356,673,023,057,728
  5. Step 5: Solve for x
    x = 420,356,673,023,057,728/895,425,415.70
  6. Step 6: Final answer
    x = 469,449,119.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.