Home / 517,885,305.04-776,939,931.96-275,512,983.76

Finding the Fourth Proportional to 517,885,305.04, 776,939,931.96 and 275,512,983.76

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Solution

The fourth proportional to 517,885,305.04, 776,939,931.96 and 275,512,983.76 is: 413,329,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,885,305.04 : 776,939,931.96 = 275,512,983.76 : x
  2. Step 2: Convert to fraction form
    517,885,305.04/776,939,931.96 = 275,512,983.76/x
  3. Step 3: Cross multiply
    517,885,305.04x = 776,939,931.96 × 275,512,983.76
  4. Step 4: Simplify right side
    517,885,305.04x = 214,057,038,856,590,976
  5. Step 5: Solve for x
    x = 214,057,038,856,590,976/517,885,305.04
  6. Step 6: Final answer
    x = 413,329,045.59

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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.