Home / 948,888,813.80-1,420,546,302.30-707,621,306.60

Finding the Fourth Proportional to 948,888,813.80, 1,420,546,302.30 and 707,621,306.60

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Solution

The fourth proportional to 948,888,813.80, 1,420,546,302.30 and 707,621,306.60 is: 1,059,353,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,888,813.80 : 1,420,546,302.30 = 707,621,306.60 : x
  2. Step 2: Convert to fraction form
    948,888,813.80/1,420,546,302.30 = 707,621,306.60/x
  3. Step 3: Cross multiply
    948,888,813.80x = 1,420,546,302.30 × 707,621,306.60
  4. Step 4: Simplify right side
    948,888,813.80x = 1,005,208,830,519,324,544
  5. Step 5: Solve for x
    x = 1,005,208,830,519,324,544/948,888,813.80
  6. Step 6: Final answer
    x = 1,059,353,652.29

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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.