Home / 572,768,223.40-859,152,335.10-209,215,340.20

Finding the Fourth Proportional to 572,768,223.40, 859,152,335.10 and 209,215,340.20

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Solution

The fourth proportional to 572,768,223.40, 859,152,335.10 and 209,215,340.20 is: 313,823,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,768,223.40 : 859,152,335.10 = 209,215,340.20 : x
  2. Step 2: Convert to fraction form
    572,768,223.40/859,152,335.10 = 209,215,340.20/x
  3. Step 3: Cross multiply
    572,768,223.40x = 859,152,335.10 × 209,215,340.20
  4. Step 4: Simplify right side
    572,768,223.40x = 179,747,848,071,570,880
  5. Step 5: Solve for x
    x = 179,747,848,071,570,880/572,768,223.40
  6. Step 6: Final answer
    x = 313,823,010.30

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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.