Home / 777,333,510.82-1,072,720,295.70-424,910,897.56

Finding the Fourth Proportional to 777,333,510.82, 1,072,720,295.70 and 424,910,897.56

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Solution

The fourth proportional to 777,333,510.82, 1,072,720,295.70 and 424,910,897.56 is: 586,377,066.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,333,510.82 : 1,072,720,295.70 = 424,910,897.56 : x
  2. Step 2: Convert to fraction form
    777,333,510.82/1,072,720,295.70 = 424,910,897.56/x
  3. Step 3: Cross multiply
    777,333,510.82x = 1,072,720,295.70 × 424,910,897.56
  4. Step 4: Simplify right side
    777,333,510.82x = 455,810,543,676,715,648
  5. Step 5: Solve for x
    x = 455,810,543,676,715,648/777,333,510.82
  6. Step 6: Final answer
    x = 586,377,066.38

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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.