Home / 980,236,330.17-1,470,788,698.44-513,786,900.18

Finding the Fourth Proportional to 980,236,330.17, 1,470,788,698.44 and 513,786,900.18

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Solution

The fourth proportional to 980,236,330.17, 1,470,788,698.44 and 513,786,900.18 is: 770,907,936.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,236,330.17 : 1,470,788,698.44 = 513,786,900.18 : x
  2. Step 2: Convert to fraction form
    980,236,330.17/1,470,788,698.44 = 513,786,900.18/x
  3. Step 3: Cross multiply
    980,236,330.17x = 1,470,788,698.44 × 513,786,900.18
  4. Step 4: Simplify right side
    980,236,330.17x = 755,671,966,191,264,384
  5. Step 5: Solve for x
    x = 755,671,966,191,264,384/980,236,330.17
  6. Step 6: Final answer
    x = 770,907,936.11

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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.