Home / 510,991,669.13-705,169,130.33-276,042,324.74

Finding the Fourth Proportional to 510,991,669.13, 705,169,130.33 and 276,042,324.74

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Solution

The fourth proportional to 510,991,669.13, 705,169,130.33 and 276,042,324.74 is: 380,938,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,991,669.13 : 705,169,130.33 = 276,042,324.74 : x
  2. Step 2: Convert to fraction form
    510,991,669.13/705,169,130.33 = 276,042,324.74/x
  3. Step 3: Cross multiply
    510,991,669.13x = 705,169,130.33 × 276,042,324.74
  4. Step 4: Simplify right side
    510,991,669.13x = 194,656,526,068,341,504
  5. Step 5: Solve for x
    x = 194,656,526,068,341,504/510,991,669.13
  6. Step 6: Final answer
    x = 380,938,746.81

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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.