Home / 977,815,902,965.85-1,466,723,509,231.80-261,501,232,966.77

Finding the Fourth Proportional to 977,815,902,965.85, 1,466,723,509,231.80 and 261,501,232,966.77

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Solution

The fourth proportional to 977,815,902,965.85, 1,466,723,509,231.80 and 261,501,232,966.77 is: 392,251,757,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,815,902,965.85 : 1,466,723,509,231.80 = 261,501,232,966.77 : x
  2. Step 2: Convert to fraction form
    977,815,902,965.85/1,466,723,509,231.80 = 261,501,232,966.77/x
  3. Step 3: Cross multiply
    977,815,902,965.85x = 1,466,723,509,231.80 × 261,501,232,966.77
  4. Step 4: Simplify right side
    977,815,902,965.85x = 383,550,006,085,463,358,570,496
  5. Step 5: Solve for x
    x = 383,550,006,085,463,358,570,496/977,815,902,965.85
  6. Step 6: Final answer
    x = 392,251,757,127.39

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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.