Home / 724,339,746.30-1,086,509,619.45-608,113,599.60

Finding the Fourth Proportional to 724,339,746.30, 1,086,509,619.45 and 608,113,599.60

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Solution

The fourth proportional to 724,339,746.30, 1,086,509,619.45 and 608,113,599.60 is: 912,170,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,339,746.30 : 1,086,509,619.45 = 608,113,599.60 : x
  2. Step 2: Convert to fraction form
    724,339,746.30/1,086,509,619.45 = 608,113,599.60/x
  3. Step 3: Cross multiply
    724,339,746.30x = 1,086,509,619.45 × 608,113,599.60
  4. Step 4: Simplify right side
    724,339,746.30x = 660,721,275,683,765,760
  5. Step 5: Solve for x
    x = 660,721,275,683,765,760/724,339,746.30
  6. Step 6: Final answer
    x = 912,170,399.40

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1.5x scale

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.