Home / 523,523,304.79-722,461,984.39-288,577,888.80

Finding the Fourth Proportional to 523,523,304.79, 722,461,984.39 and 288,577,888.80

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Solution

The fourth proportional to 523,523,304.79, 722,461,984.39 and 288,577,888.80 is: 398,237,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,523,304.79 : 722,461,984.39 = 288,577,888.80 : x
  2. Step 2: Convert to fraction form
    523,523,304.79/722,461,984.39 = 288,577,888.80/x
  3. Step 3: Cross multiply
    523,523,304.79x = 722,461,984.39 × 288,577,888.80
  4. Step 4: Simplify right side
    523,523,304.79x = 208,486,554,195,246,592
  5. Step 5: Solve for x
    x = 208,486,554,195,246,592/523,523,304.79
  6. Step 6: Final answer
    x = 398,237,389.41

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1.5x scale

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.