Home / 398,865,962,228.98-598,335,723,461.10-130,256,350,158.34

Finding the Fourth Proportional to 398,865,962,228.98, 598,335,723,461.10 and 130,256,350,158.34

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Solution

The fourth proportional to 398,865,962,228.98, 598,335,723,461.10 and 130,256,350,158.34 is: 195,396,536,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,865,962,228.98 : 598,335,723,461.10 = 130,256,350,158.34 : x
  2. Step 2: Convert to fraction form
    398,865,962,228.98/598,335,723,461.10 = 130,256,350,158.34/x
  3. Step 3: Cross multiply
    398,865,962,228.98x = 598,335,723,461.10 × 130,256,350,158.34
  4. Step 4: Simplify right side
    398,865,962,228.98x = 77,937,027,507,392,721,453,056
  5. Step 5: Solve for x
    x = 77,937,027,507,392,721,453,056/398,865,962,228.98
  6. Step 6: Final answer
    x = 195,396,536,399.99

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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.