Home / 1,261,423,651.37-1,740,711,948.27-725,534,563.10

Finding the Fourth Proportional to 1,261,423,651.37, 1,740,711,948.27 and 725,534,563.10

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Solution

The fourth proportional to 1,261,423,651.37, 1,740,711,948.27 and 725,534,563.10 is: 1,001,207,390.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,423,651.37 : 1,740,711,948.27 = 725,534,563.10 : x
  2. Step 2: Convert to fraction form
    1,261,423,651.37/1,740,711,948.27 = 725,534,563.10/x
  3. Step 3: Cross multiply
    1,261,423,651.37x = 1,740,711,948.27 × 725,534,563.10
  4. Step 4: Simplify right side
    1,261,423,651.37x = 1,262,946,682,859,636,224
  5. Step 5: Solve for x
    x = 1,262,946,682,859,636,224/1,261,423,651.37
  6. Step 6: Final answer
    x = 1,001,207,390.95

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Half scale
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Double scale
Find fourth proportional to 1,261,423,652.37, 1,740,711,949.65 and 725,534,564.10
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.