Home / 472,393,376.20-708,590,064.30-242,385,711.40

Finding the Fourth Proportional to 472,393,376.20, 708,590,064.30 and 242,385,711.40

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Solution

The fourth proportional to 472,393,376.20, 708,590,064.30 and 242,385,711.40 is: 363,578,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,376.20 : 708,590,064.30 = 242,385,711.40 : x
  2. Step 2: Convert to fraction form
    472,393,376.20/708,590,064.30 = 242,385,711.40/x
  3. Step 3: Cross multiply
    472,393,376.20x = 708,590,064.30 × 242,385,711.40
  4. Step 4: Simplify right side
    472,393,376.20x = 171,752,106,826,327,232
  5. Step 5: Solve for x
    x = 171,752,106,826,327,232/472,393,376.20
  6. Step 6: Final answer
    x = 363,578,567.10

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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.