Home / 1,510,178,322,849.30-2,084,046,921,562.80-815,718,877,083.55

Finding the Fourth Proportional to 1,510,178,322,849.30, 2,084,046,921,562.80 and 815,718,877,083.55

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Solution

The fourth proportional to 1,510,178,322,849.30, 2,084,046,921,562.80 and 815,718,877,083.55 is: 1,125,692,501,955.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,178,322,849.30 : 2,084,046,921,562.80 = 815,718,877,083.55 : x
  2. Step 2: Convert to fraction form
    1,510,178,322,849.30/2,084,046,921,562.80 = 815,718,877,083.55/x
  3. Step 3: Cross multiply
    1,510,178,322,849.30x = 2,084,046,921,562.80 × 815,718,877,083.55
  4. Step 4: Simplify right side
    1,510,178,322,849.30x = 1,699,996,414,646,636,687,392,768
  5. Step 5: Solve for x
    x = 1,699,996,414,646,636,687,392,768/1,510,178,322,849.30
  6. Step 6: Final answer
    x = 1,125,692,501,955.13

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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.