Home / 1,407,258,000.96-1,942,015,288.40-772,182,662.80

Finding the Fourth Proportional to 1,407,258,000.96, 1,942,015,288.40 and 772,182,662.80

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Solution

The fourth proportional to 1,407,258,000.96, 1,942,015,288.40 and 772,182,662.80 is: 1,065,611,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,258,000.96 : 1,942,015,288.40 = 772,182,662.80 : x
  2. Step 2: Convert to fraction form
    1,407,258,000.96/1,942,015,288.40 = 772,182,662.80/x
  3. Step 3: Cross multiply
    1,407,258,000.96x = 1,942,015,288.40 × 772,182,662.80
  4. Step 4: Simplify right side
    1,407,258,000.96x = 1,499,590,536,595,021,824
  5. Step 5: Solve for x
    x = 1,499,590,536,595,021,824/1,407,258,000.96
  6. Step 6: Final answer
    x = 1,065,611,661.52

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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.