Home / 563,648,031.80-845,472,047.70-257,538,015.80

Finding the Fourth Proportional to 563,648,031.80, 845,472,047.70 and 257,538,015.80

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Solution

The fourth proportional to 563,648,031.80, 845,472,047.70 and 257,538,015.80 is: 386,307,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,648,031.80 : 845,472,047.70 = 257,538,015.80 : x
  2. Step 2: Convert to fraction form
    563,648,031.80/845,472,047.70 = 257,538,015.80/x
  3. Step 3: Cross multiply
    563,648,031.80x = 845,472,047.70 × 257,538,015.80
  4. Step 4: Simplify right side
    563,648,031.80x = 217,741,193,579,020,992
  5. Step 5: Solve for x
    x = 217,741,193,579,020,992/563,648,031.80
  6. Step 6: Final answer
    x = 386,307,023.70

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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.