Home / 565,911,885.64-780,950,402.92-318,392,649.40

Finding the Fourth Proportional to 565,911,885.64, 780,950,402.92 and 318,392,649.40

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Solution

The fourth proportional to 565,911,885.64, 780,950,402.92 and 318,392,649.40 is: 439,377,355.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,911,885.64 : 780,950,402.92 = 318,392,649.40 : x
  2. Step 2: Convert to fraction form
    565,911,885.64/780,950,402.92 = 318,392,649.40/x
  3. Step 3: Cross multiply
    565,911,885.64x = 780,950,402.92 × 318,392,649.40
  4. Step 4: Simplify right side
    565,911,885.64x = 248,648,867,835,696,256
  5. Step 5: Solve for x
    x = 248,648,867,835,696,256/565,911,885.64
  6. Step 6: Final answer
    x = 439,377,355.64

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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.