Home / 1,639,598,020.80-2,459,397,031.20-475,104,501.60

Finding the Fourth Proportional to 1,639,598,020.80, 2,459,397,031.20 and 475,104,501.60

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Solution

The fourth proportional to 1,639,598,020.80, 2,459,397,031.20 and 475,104,501.60 is: 712,656,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,598,020.80 : 2,459,397,031.20 = 475,104,501.60 : x
  2. Step 2: Convert to fraction form
    1,639,598,020.80/2,459,397,031.20 = 475,104,501.60/x
  3. Step 3: Cross multiply
    1,639,598,020.80x = 2,459,397,031.20 × 475,104,501.60
  4. Step 4: Simplify right side
    1,639,598,020.80x = 1,168,470,600,744,795,648
  5. Step 5: Solve for x
    x = 1,168,470,600,744,795,648/1,639,598,020.80
  6. Step 6: Final answer
    x = 712,656,752.40

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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.