Home / 916,272,030.60-1,372,392,506.70-814,151,377.80

Finding the Fourth Proportional to 916,272,030.60, 1,372,392,506.70 and 814,151,377.80

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Solution

The fourth proportional to 916,272,030.60, 1,372,392,506.70 and 814,151,377.80 is: 1,219,436,164.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,272,030.60 : 1,372,392,506.70 = 814,151,377.80 : x
  2. Step 2: Convert to fraction form
    916,272,030.60/1,372,392,506.70 = 814,151,377.80/x
  3. Step 3: Cross multiply
    916,272,030.60x = 1,372,392,506.70 × 814,151,377.80
  4. Step 4: Simplify right side
    916,272,030.60x = 1,117,335,250,212,200,704
  5. Step 5: Solve for x
    x = 1,117,335,250,212,200,704/916,272,030.60
  6. Step 6: Final answer
    x = 1,219,436,164.04

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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.