Home / 518,322,107.40-777,483,161.10-503,973,200.40

Finding the Fourth Proportional to 518,322,107.40, 777,483,161.10 and 503,973,200.40

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Solution

The fourth proportional to 518,322,107.40, 777,483,161.10 and 503,973,200.40 is: 755,959,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,322,107.40 : 777,483,161.10 = 503,973,200.40 : x
  2. Step 2: Convert to fraction form
    518,322,107.40/777,483,161.10 = 503,973,200.40/x
  3. Step 3: Cross multiply
    518,322,107.40x = 777,483,161.10 × 503,973,200.40
  4. Step 4: Simplify right side
    518,322,107.40x = 391,830,676,956,675,776
  5. Step 5: Solve for x
    x = 391,830,676,956,675,776/518,322,107.40
  6. Step 6: Final answer
    x = 755,959,800.60

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Double scale
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Similar ratio
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1.5x scale

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.