Home / 979,834,031.80-1,468,239,393.30-849,831,753.40

Finding the Fourth Proportional to 979,834,031.80, 1,468,239,393.30 and 849,831,753.40

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Solution

The fourth proportional to 979,834,031.80, 1,468,239,393.30 and 849,831,753.40 is: 1,273,436,538.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,834,031.80 : 1,468,239,393.30 = 849,831,753.40 : x
  2. Step 2: Convert to fraction form
    979,834,031.80/1,468,239,393.30 = 849,831,753.40/x
  3. Step 3: Cross multiply
    979,834,031.80x = 1,468,239,393.30 × 849,831,753.40
  4. Step 4: Simplify right side
    979,834,031.80x = 1,247,756,458,019,091,200
  5. Step 5: Solve for x
    x = 1,247,756,458,019,091,200/979,834,031.80
  6. Step 6: Final answer
    x = 1,273,436,538.76

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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.