Home / 787,973,616.80-1,181,960,425.20-461,456,266.40

Finding the Fourth Proportional to 787,973,616.80, 1,181,960,425.20 and 461,456,266.40

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Solution

The fourth proportional to 787,973,616.80, 1,181,960,425.20 and 461,456,266.40 is: 692,184,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,973,616.80 : 1,181,960,425.20 = 461,456,266.40 : x
  2. Step 2: Convert to fraction form
    787,973,616.80/1,181,960,425.20 = 461,456,266.40/x
  3. Step 3: Cross multiply
    787,973,616.80x = 1,181,960,425.20 × 461,456,266.40
  4. Step 4: Simplify right side
    787,973,616.80x = 545,423,044,845,348,480
  5. Step 5: Solve for x
    x = 545,423,044,845,348,480/787,973,616.80
  6. Step 6: Final answer
    x = 692,184,399.60

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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.