Home / 472,393,812.30-708,590,718.45-288,727,802.70

Finding the Fourth Proportional to 472,393,812.30, 708,590,718.45 and 288,727,802.70

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Solution

The fourth proportional to 472,393,812.30, 708,590,718.45 and 288,727,802.70 is: 433,091,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,812.30 : 708,590,718.45 = 288,727,802.70 : x
  2. Step 2: Convert to fraction form
    472,393,812.30/708,590,718.45 = 288,727,802.70/x
  3. Step 3: Cross multiply
    472,393,812.30x = 708,590,718.45 × 288,727,802.70
  4. Step 4: Simplify right side
    472,393,812.30x = 204,589,841,151,682,848
  5. Step 5: Solve for x
    x = 204,589,841,151,682,848/472,393,812.30
  6. Step 6: Final answer
    x = 433,091,704.05

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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.