Home / 1,405,332,926.40-1,939,380,647.93-770,248,337.02

Finding the Fourth Proportional to 1,405,332,926.40, 1,939,380,647.93 and 770,248,337.02

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Solution

The fourth proportional to 1,405,332,926.40, 1,939,380,647.93 and 770,248,337.02 is: 1,062,954,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,332,926.40 : 1,939,380,647.93 = 770,248,337.02 : x
  2. Step 2: Convert to fraction form
    1,405,332,926.40/1,939,380,647.93 = 770,248,337.02/x
  3. Step 3: Cross multiply
    1,405,332,926.40x = 1,939,380,647.93 × 770,248,337.02
  4. Step 4: Simplify right side
    1,405,332,926.40x = 1,493,804,718,903,304,448
  5. Step 5: Solve for x
    x = 1,493,804,718,903,304,448/1,405,332,926.40
  6. Step 6: Final answer
    x = 1,062,954,329.78

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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.