Home / 827,808,712.40-1,241,713,068.60-569,819,694.80

Finding the Fourth Proportional to 827,808,712.40, 1,241,713,068.60 and 569,819,694.80

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Solution

The fourth proportional to 827,808,712.40, 1,241,713,068.60 and 569,819,694.80 is: 854,729,542.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,808,712.40 : 1,241,713,068.60 = 569,819,694.80 : x
  2. Step 2: Convert to fraction form
    827,808,712.40/1,241,713,068.60 = 569,819,694.80/x
  3. Step 3: Cross multiply
    827,808,712.40x = 1,241,713,068.60 × 569,819,694.80
  4. Step 4: Simplify right side
    827,808,712.40x = 707,552,561,778,823,296
  5. Step 5: Solve for x
    x = 707,552,561,778,823,296/827,808,712.40
  6. Step 6: Final answer
    x = 854,729,542.20

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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.