Home / 1,980,435,955.92-2,970,752,607-753,699,483.60

Finding the Fourth Proportional to 1,980,435,955.92, 2,970,752,607 and 753,699,483.60

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Solution

The fourth proportional to 1,980,435,955.92, 2,970,752,607 and 753,699,483.60 is: 1,130,586,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,435,955.92 : 2,970,752,607 = 753,699,483.60 : x
  2. Step 2: Convert to fraction form
    1,980,435,955.92/2,970,752,607 = 753,699,483.60/x
  3. Step 3: Cross multiply
    1,980,435,955.92x = 2,970,752,607 × 753,699,483.60
  4. Step 4: Simplify right side
    1,980,435,955.92x = 2,239,054,705,799,253,760
  5. Step 5: Solve for x
    x = 2,239,054,705,799,253,760/1,980,435,955.92
  6. Step 6: Final answer
    x = 1,130,586,777.68

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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.