Home / 647,381,445.74-893,468,218.50-424,550,596.40

Finding the Fourth Proportional to 647,381,445.74, 893,468,218.50 and 424,550,596.40

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Solution

The fourth proportional to 647,381,445.74, 893,468,218.50 and 424,550,596.40 is: 585,933,482.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,381,445.74 : 893,468,218.50 = 424,550,596.40 : x
  2. Step 2: Convert to fraction form
    647,381,445.74/893,468,218.50 = 424,550,596.40/x
  3. Step 3: Cross multiply
    647,381,445.74x = 893,468,218.50 × 424,550,596.40
  4. Step 4: Simplify right side
    647,381,445.74x = 379,322,465,028,620,480
  5. Step 5: Solve for x
    x = 379,322,465,028,620,480/647,381,445.74
  6. Step 6: Final answer
    x = 585,933,482.53

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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.