Home / 28,614,640,052.81-42,921,949,976.85-7,652,528,082.10

Finding the Fourth Proportional to 28,614,640,052.81, 42,921,949,976.85 and 7,652,528,082.10

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Solution

The fourth proportional to 28,614,640,052.81, 42,921,949,976.85 and 7,652,528,082.10 is: 11,478,789,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614,640,052.81 : 42,921,949,976.85 = 7,652,528,082.10 : x
  2. Step 2: Convert to fraction form
    28,614,640,052.81/42,921,949,976.85 = 7,652,528,082.10/x
  3. Step 3: Cross multiply
    28,614,640,052.81x = 42,921,949,976.85 × 7,652,528,082.10
  4. Step 4: Simplify right side
    28,614,640,052.81x = 328,461,427,536,336,060,416
  5. Step 5: Solve for x
    x = 328,461,427,536,336,060,416/28,614,640,052.81
  6. Step 6: Final answer
    x = 11,478,789,421.43

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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.