Home / 708,608,536.70-1,062,912,805.05-611,673,698.30

Finding the Fourth Proportional to 708,608,536.70, 1,062,912,805.05 and 611,673,698.30

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Solution

The fourth proportional to 708,608,536.70, 1,062,912,805.05 and 611,673,698.30 is: 917,510,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,608,536.70 : 1,062,912,805.05 = 611,673,698.30 : x
  2. Step 2: Convert to fraction form
    708,608,536.70/1,062,912,805.05 = 611,673,698.30/x
  3. Step 3: Cross multiply
    708,608,536.70x = 1,062,912,805.05 × 611,673,698.30
  4. Step 4: Simplify right side
    708,608,536.70x = 650,155,806,435,360,384
  5. Step 5: Solve for x
    x = 650,155,806,435,360,384/708,608,536.70
  6. Step 6: Final answer
    x = 917,510,547.45

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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.