Home / 791,424,002.80-1,187,136,004.20-703,748,047.60

Finding the Fourth Proportional to 791,424,002.80, 1,187,136,004.20 and 703,748,047.60

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Solution

The fourth proportional to 791,424,002.80, 1,187,136,004.20 and 703,748,047.60 is: 1,055,622,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,424,002.80 : 1,187,136,004.20 = 703,748,047.60 : x
  2. Step 2: Convert to fraction form
    791,424,002.80/1,187,136,004.20 = 703,748,047.60/x
  3. Step 3: Cross multiply
    791,424,002.80x = 1,187,136,004.20 × 703,748,047.60
  4. Step 4: Simplify right side
    791,424,002.80x = 835,444,645,191,415,424
  5. Step 5: Solve for x
    x = 835,444,645,191,415,424/791,424,002.80
  6. Step 6: Final answer
    x = 1,055,622,071.40

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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.