Home / 945,120,450.60-1,417,680,675.90-815,873,999.40

Finding the Fourth Proportional to 945,120,450.60, 1,417,680,675.90 and 815,873,999.40

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Solution

The fourth proportional to 945,120,450.60, 1,417,680,675.90 and 815,873,999.40 is: 1,223,810,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,120,450.60 : 1,417,680,675.90 = 815,873,999.40 : x
  2. Step 2: Convert to fraction form
    945,120,450.60/1,417,680,675.90 = 815,873,999.40/x
  3. Step 3: Cross multiply
    945,120,450.60x = 1,417,680,675.90 × 815,873,999.40
  4. Step 4: Simplify right side
    945,120,450.60x = 1,156,648,802,918,628,352
  5. Step 5: Solve for x
    x = 1,156,648,802,918,628,352/945,120,450.60
  6. Step 6: Final answer
    x = 1,223,810,999.10

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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.