Home / 972,382,628.28-1,341,385,877.76-659,009,672.76

Finding the Fourth Proportional to 972,382,628.28, 1,341,385,877.76 and 659,009,672.76

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Solution

The fourth proportional to 972,382,628.28, 1,341,385,877.76 and 659,009,672.76 is: 909,093,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,382,628.28 : 1,341,385,877.76 = 659,009,672.76 : x
  2. Step 2: Convert to fraction form
    972,382,628.28/1,341,385,877.76 = 659,009,672.76/x
  3. Step 3: Cross multiply
    972,382,628.28x = 1,341,385,877.76 × 659,009,672.76
  4. Step 4: Simplify right side
    972,382,628.28x = 883,986,268,347,502,976
  5. Step 5: Solve for x
    x = 883,986,268,347,502,976/972,382,628.28
  6. Step 6: Final answer
    x = 909,093,028.44

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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.