Home / 715,682,831.22-1,073,258,438.82-249,224,468.40

Finding the Fourth Proportional to 715,682,831.22, 1,073,258,438.82 and 249,224,468.40

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Solution

The fourth proportional to 715,682,831.22, 1,073,258,438.82 and 249,224,468.40 is: 373,744,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,682,831.22 : 1,073,258,438.82 = 249,224,468.40 : x
  2. Step 2: Convert to fraction form
    715,682,831.22/1,073,258,438.82 = 249,224,468.40/x
  3. Step 3: Cross multiply
    715,682,831.22x = 1,073,258,438.82 × 249,224,468.40
  4. Step 4: Simplify right side
    715,682,831.22x = 267,482,263,870,728,448
  5. Step 5: Solve for x
    x = 267,482,263,870,728,448/715,682,831.22
  6. Step 6: Final answer
    x = 373,744,139.45

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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.