Home / 509,108,013.32-702,546,405.21-297,434,472.53

Finding the Fourth Proportional to 509,108,013.32, 702,546,405.21 and 297,434,472.53

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Solution

The fourth proportional to 509,108,013.32, 702,546,405.21 and 297,434,472.53 is: 410,446,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,108,013.32 : 702,546,405.21 = 297,434,472.53 : x
  2. Step 2: Convert to fraction form
    509,108,013.32/702,546,405.21 = 297,434,472.53/x
  3. Step 3: Cross multiply
    509,108,013.32x = 702,546,405.21 × 297,434,472.53
  4. Step 4: Simplify right side
    509,108,013.32x = 208,961,519,457,971,264
  5. Step 5: Solve for x
    x = 208,961,519,457,971,264/509,108,013.32
  6. Step 6: Final answer
    x = 410,446,337.50

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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.