Home / 918,447,387.80-1,377,671,081.70-335,988,051.80

Finding the Fourth Proportional to 918,447,387.80, 1,377,671,081.70 and 335,988,051.80

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Solution

The fourth proportional to 918,447,387.80, 1,377,671,081.70 and 335,988,051.80 is: 503,982,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,447,387.80 : 1,377,671,081.70 = 335,988,051.80 : x
  2. Step 2: Convert to fraction form
    918,447,387.80/1,377,671,081.70 = 335,988,051.80/x
  3. Step 3: Cross multiply
    918,447,387.80x = 1,377,671,081.70 × 335,988,051.80
  4. Step 4: Simplify right side
    918,447,387.80x = 462,881,022,761,581,696
  5. Step 5: Solve for x
    x = 462,881,022,761,581,696/918,447,387.80
  6. Step 6: Final answer
    x = 503,982,077.70

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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.