Home / 510,129,701.42-703,956,341.23-284,080,344.41

Finding the Fourth Proportional to 510,129,701.42, 703,956,341.23 and 284,080,344.41

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Solution

The fourth proportional to 510,129,701.42, 703,956,341.23 and 284,080,344.41 is: 392,018,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,129,701.42 : 703,956,341.23 = 284,080,344.41 : x
  2. Step 2: Convert to fraction form
    510,129,701.42/703,956,341.23 = 284,080,344.41/x
  3. Step 3: Cross multiply
    510,129,701.42x = 703,956,341.23 × 284,080,344.41
  4. Step 4: Simplify right side
    510,129,701.42x = 199,980,159,867,271,584
  5. Step 5: Solve for x
    x = 199,980,159,867,271,584/510,129,701.42
  6. Step 6: Final answer
    x = 392,018,263.81

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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.