Home / 977,815,902,950.35-1,466,723,509,208.40-261,501,232,951.21

Finding the Fourth Proportional to 977,815,902,950.35, 1,466,723,509,208.40 and 261,501,232,951.21

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Solution

The fourth proportional to 977,815,902,950.35, 1,466,723,509,208.40 and 261,501,232,951.21 is: 392,251,757,104.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,815,902,950.35 : 1,466,723,509,208.40 = 261,501,232,951.21 : x
  2. Step 2: Convert to fraction form
    977,815,902,950.35/1,466,723,509,208.40 = 261,501,232,951.21/x
  3. Step 3: Cross multiply
    977,815,902,950.35x = 1,466,723,509,208.40 × 261,501,232,951.21
  4. Step 4: Simplify right side
    977,815,902,950.35x = 383,550,006,056,521,989,881,856
  5. Step 5: Solve for x
    x = 383,550,006,056,521,989,881,856/977,815,902,950.35
  6. Step 6: Final answer
    x = 392,251,757,104.01

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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.