Home / 690,923,790.70-1,036,385,686.05-690,923,790.70

Finding the Fourth Proportional to 690,923,790.70, 1,036,385,686.05 and 690,923,790.70

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Solution

The fourth proportional to 690,923,790.70, 1,036,385,686.05 and 690,923,790.70 is: 1,036,385,686.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,923,790.70 : 1,036,385,686.05 = 690,923,790.70 : x
  2. Step 2: Convert to fraction form
    690,923,790.70/1,036,385,686.05 = 690,923,790.70/x
  3. Step 3: Cross multiply
    690,923,790.70x = 1,036,385,686.05 × 690,923,790.70
  4. Step 4: Simplify right side
    690,923,790.70x = 716,063,526,832,886,144
  5. Step 5: Solve for x
    x = 716,063,526,832,886,144/690,923,790.70
  6. Step 6: Final answer
    x = 1,036,385,686.05

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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.