Home / 1,011,137,982,928.60-1,395,474,418,031-615,203,139,965.22

Finding the Fourth Proportional to 1,011,137,982,928.60, 1,395,474,418,031 and 615,203,139,965.22

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Solution

The fourth proportional to 1,011,137,982,928.60, 1,395,474,418,031 and 615,203,139,965.22 is: 849,043,610,474.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,137,982,928.60 : 1,395,474,418,031 = 615,203,139,965.22 : x
  2. Step 2: Convert to fraction form
    1,011,137,982,928.60/1,395,474,418,031 = 615,203,139,965.22/x
  3. Step 3: Cross multiply
    1,011,137,982,928.60x = 1,395,474,418,031 × 615,203,139,965.22
  4. Step 4: Simplify right side
    1,011,137,982,928.60x = 858,500,243,713,809,136,484,352
  5. Step 5: Solve for x
    x = 858,500,243,713,809,136,484,352/1,011,137,982,928.60
  6. Step 6: Final answer
    x = 849,043,610,474.71

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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.