Home / 724,977,547.80-1,085,674,731.30-481,321,253.40

Finding the Fourth Proportional to 724,977,547.80, 1,085,674,731.30 and 481,321,253.40

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Solution

The fourth proportional to 724,977,547.80, 1,085,674,731.30 and 481,321,253.40 is: 720,792,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,977,547.80 : 1,085,674,731.30 = 481,321,253.40 : x
  2. Step 2: Convert to fraction form
    724,977,547.80/1,085,674,731.30 = 481,321,253.40/x
  3. Step 3: Cross multiply
    724,977,547.80x = 1,085,674,731.30 × 481,321,253.40
  4. Step 4: Simplify right side
    724,977,547.80x = 522,558,322,454,024,192
  5. Step 5: Solve for x
    x = 522,558,322,454,024,192/724,977,547.80
  6. Step 6: Final answer
    x = 720,792,421.83

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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.