Home / 513,105,001.95-769,657,502.93-448,534,920.45

Finding the Fourth Proportional to 513,105,001.95, 769,657,502.93 and 448,534,920.45

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Solution

The fourth proportional to 513,105,001.95, 769,657,502.93 and 448,534,920.45 is: 672,802,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,105,001.95 : 769,657,502.93 = 448,534,920.45 : x
  2. Step 2: Convert to fraction form
    513,105,001.95/769,657,502.93 = 448,534,920.45/x
  3. Step 3: Cross multiply
    513,105,001.95x = 769,657,502.93 × 448,534,920.45
  4. Step 4: Simplify right side
    513,105,001.95x = 345,218,266,848,210,496
  5. Step 5: Solve for x
    x = 345,218,266,848,210,496/513,105,001.95
  6. Step 6: Final answer
    x = 672,802,380.68

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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.