Home / 781,752,276.80-1,079,236,977.76-602,745,199.36

Finding the Fourth Proportional to 781,752,276.80, 1,079,236,977.76 and 602,745,199.36

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Solution

The fourth proportional to 781,752,276.80, 1,079,236,977.76 and 602,745,199.36 is: 832,111,305.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,752,276.80 : 1,079,236,977.76 = 602,745,199.36 : x
  2. Step 2: Convert to fraction form
    781,752,276.80/1,079,236,977.76 = 602,745,199.36/x
  3. Step 3: Cross multiply
    781,752,276.80x = 1,079,236,977.76 × 602,745,199.36
  4. Step 4: Simplify right side
    781,752,276.80x = 650,504,907,316,635,136
  5. Step 5: Solve for x
    x = 650,504,907,316,635,136/781,752,276.80
  6. Step 6: Final answer
    x = 832,111,305.10

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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.