Home / 1,140,742,453.01-1,570,565,882.89-889,524,479.67

Finding the Fourth Proportional to 1,140,742,453.01, 1,570,565,882.89 and 889,524,479.67

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Solution

The fourth proportional to 1,140,742,453.01, 1,570,565,882.89 and 889,524,479.67 is: 1,224,690,810.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,742,453.01 : 1,570,565,882.89 = 889,524,479.67 : x
  2. Step 2: Convert to fraction form
    1,140,742,453.01/1,570,565,882.89 = 889,524,479.67/x
  3. Step 3: Cross multiply
    1,140,742,453.01x = 1,570,565,882.89 × 889,524,479.67
  4. Step 4: Simplify right side
    1,140,742,453.01x = 1,397,056,799,769,290,496
  5. Step 5: Solve for x
    x = 1,397,056,799,769,290,496/1,140,742,453.01
  6. Step 6: Final answer
    x = 1,224,690,810.87

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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.