Home / 602,137,221.39-829,401,118.45-425,621,750.45

Finding the Fourth Proportional to 602,137,221.39, 829,401,118.45 and 425,621,750.45

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Solution

The fourth proportional to 602,137,221.39, 829,401,118.45 and 425,621,750.45 is: 586,263,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,137,221.39 : 829,401,118.45 = 425,621,750.45 : x
  2. Step 2: Convert to fraction form
    602,137,221.39/829,401,118.45 = 425,621,750.45/x
  3. Step 3: Cross multiply
    602,137,221.39x = 829,401,118.45 × 425,621,750.45
  4. Step 4: Simplify right side
    602,137,221.39x = 353,011,155,854,665,728
  5. Step 5: Solve for x
    x = 353,011,155,854,665,728/602,137,221.39
  6. Step 6: Final answer
    x = 586,263,634.46

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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.