Home / 969,955,637.46-1,338,539,316.66-523,918,998.36

Finding the Fourth Proportional to 969,955,637.46, 1,338,539,316.66 and 523,918,998.36

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Solution

The fourth proportional to 969,955,637.46, 1,338,539,316.66 and 523,918,998.36 is: 723,008,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,955,637.46 : 1,338,539,316.66 = 523,918,998.36 : x
  2. Step 2: Convert to fraction form
    969,955,637.46/1,338,539,316.66 = 523,918,998.36/x
  3. Step 3: Cross multiply
    969,955,637.46x = 1,338,539,316.66 × 523,918,998.36
  4. Step 4: Simplify right side
    969,955,637.46x = 701,286,178,049,986,176
  5. Step 5: Solve for x
    x = 701,286,178,049,986,176/969,955,637.46
  6. Step 6: Final answer
    x = 723,008,507.78

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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.