Home / 791,448,009.40-1,187,172,014.10-584,823,748.60

Finding the Fourth Proportional to 791,448,009.40, 1,187,172,014.10 and 584,823,748.60

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Solution

The fourth proportional to 791,448,009.40, 1,187,172,014.10 and 584,823,748.60 is: 877,235,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,448,009.40 : 1,187,172,014.10 = 584,823,748.60 : x
  2. Step 2: Convert to fraction form
    791,448,009.40/1,187,172,014.10 = 584,823,748.60/x
  3. Step 3: Cross multiply
    791,448,009.40x = 1,187,172,014.10 × 584,823,748.60
  4. Step 4: Simplify right side
    791,448,009.40x = 694,286,387,518,974,080
  5. Step 5: Solve for x
    x = 694,286,387,518,974,080/791,448,009.40
  6. Step 6: Final answer
    x = 877,235,622.90

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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.