Home / 499,160,946.95-688,821,412.82-273,098,821.51

Finding the Fourth Proportional to 499,160,946.95, 688,821,412.82 and 273,098,821.51

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Solution

The fourth proportional to 499,160,946.95, 688,821,412.82 and 273,098,821.51 is: 376,865,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,160,946.95 : 688,821,412.82 = 273,098,821.51 : x
  2. Step 2: Convert to fraction form
    499,160,946.95/688,821,412.82 = 273,098,821.51/x
  3. Step 3: Cross multiply
    499,160,946.95x = 688,821,412.82 × 273,098,821.51
  4. Step 4: Simplify right side
    499,160,946.95x = 188,116,316,071,995,200
  5. Step 5: Solve for x
    x = 188,116,316,071,995,200/499,160,946.95
  6. Step 6: Final answer
    x = 376,865,051.69

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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.