Home / 839,543,270.16-1,158,573,737.16-463,199,838.96

Finding the Fourth Proportional to 839,543,270.16, 1,158,573,737.16 and 463,199,838.96

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Solution

The fourth proportional to 839,543,270.16, 1,158,573,737.16 and 463,199,838.96 is: 639,217,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,543,270.16 : 1,158,573,737.16 = 463,199,838.96 : x
  2. Step 2: Convert to fraction form
    839,543,270.16/1,158,573,737.16 = 463,199,838.96/x
  3. Step 3: Cross multiply
    839,543,270.16x = 1,158,573,737.16 × 463,199,838.96
  4. Step 4: Simplify right side
    839,543,270.16x = 536,651,168,475,797,376
  5. Step 5: Solve for x
    x = 536,651,168,475,797,376/839,543,270.16
  6. Step 6: Final answer
    x = 639,217,998.11

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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.