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Finding the Fourth Proportional to 641,736,795.80, 962,605,193.70 and 598,371,210.20

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Solution

The fourth proportional to 641,736,795.80, 962,605,193.70 and 598,371,210.20 is: 897,556,815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,736,795.80 : 962,605,193.70 = 598,371,210.20 : x
  2. Step 2: Convert to fraction form
    641,736,795.80/962,605,193.70 = 598,371,210.20/x
  3. Step 3: Cross multiply
    641,736,795.80x = 962,605,193.70 × 598,371,210.20
  4. Step 4: Simplify right side
    641,736,795.80x = 575,995,234,699,074,496
  5. Step 5: Solve for x
    x = 575,995,234,699,074,496/641,736,795.80
  6. Step 6: Final answer
    x = 897,556,815.30

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Double scale
Find fourth proportional to 641,736,796.80, 962,605,195.20 and 598,371,211.20
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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.