Home / 762,705,492.27-1,144,410,088.43-348,309,347.88

Finding the Fourth Proportional to 762,705,492.27, 1,144,410,088.43 and 348,309,347.88

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Solution

The fourth proportional to 762,705,492.27, 1,144,410,088.43 and 348,309,347.88 is: 522,624,703.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,705,492.27 : 1,144,410,088.43 = 348,309,347.88 : x
  2. Step 2: Convert to fraction form
    762,705,492.27/1,144,410,088.43 = 348,309,347.88/x
  3. Step 3: Cross multiply
    762,705,492.27x = 1,144,410,088.43 × 348,309,347.88
  4. Step 4: Simplify right side
    762,705,492.27x = 398,608,731,613,508,736
  5. Step 5: Solve for x
    x = 398,608,731,613,508,736/762,705,492.27
  6. Step 6: Final answer
    x = 522,624,703.32

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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.