Home / 473,314,154.28-710,047,521.48-145,789,515.09

Finding the Fourth Proportional to 473,314,154.28, 710,047,521.48 and 145,789,515.09

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Solution

The fourth proportional to 473,314,154.28, 710,047,521.48 and 145,789,515.09 is: 218,707,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,314,154.28 : 710,047,521.48 = 145,789,515.09 : x
  2. Step 2: Convert to fraction form
    473,314,154.28/710,047,521.48 = 145,789,515.09/x
  3. Step 3: Cross multiply
    473,314,154.28x = 710,047,521.48 × 145,789,515.09
  4. Step 4: Simplify right side
    473,314,154.28x = 103,517,483,847,425,568
  5. Step 5: Solve for x
    x = 103,517,483,847,425,568/473,314,154.28
  6. Step 6: Final answer
    x = 218,707,771.38

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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.