Home / 1,365,409,765.32-1,884,270,446.76-738,878,136.52

Finding the Fourth Proportional to 1,365,409,765.32, 1,884,270,446.76 and 738,878,136.52

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Solution

The fourth proportional to 1,365,409,765.32, 1,884,270,446.76 and 738,878,136.52 is: 1,019,654,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,409,765.32 : 1,884,270,446.76 = 738,878,136.52 : x
  2. Step 2: Convert to fraction form
    1,365,409,765.32/1,884,270,446.76 = 738,878,136.52/x
  3. Step 3: Cross multiply
    1,365,409,765.32x = 1,884,270,446.76 × 738,878,136.52
  4. Step 4: Simplify right side
    1,365,409,765.32x = 1,392,246,236,401,736,704
  5. Step 5: Solve for x
    x = 1,392,246,236,401,736,704/1,365,409,765.32
  6. Step 6: Final answer
    x = 1,019,654,518.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.