Home / 462,685,700.64-693,688,428.68-220,518,665.76

Finding the Fourth Proportional to 462,685,700.64, 693,688,428.68 and 220,518,665.76

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Solution

The fourth proportional to 462,685,700.64, 693,688,428.68 and 220,518,665.76 is: 330,615,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,685,700.64 : 693,688,428.68 = 220,518,665.76 : x
  2. Step 2: Convert to fraction form
    462,685,700.64/693,688,428.68 = 220,518,665.76/x
  3. Step 3: Cross multiply
    462,685,700.64x = 693,688,428.68 × 220,518,665.76
  4. Step 4: Simplify right side
    462,685,700.64x = 152,971,246,745,664,512
  5. Step 5: Solve for x
    x = 152,971,246,745,664,512/462,685,700.64
  6. Step 6: Final answer
    x = 330,615,894.41

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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.