Home / 1,568,809,330.40-2,352,962,053.20-478,038,706.40

Finding the Fourth Proportional to 1,568,809,330.40, 2,352,962,053.20 and 478,038,706.40

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Solution

The fourth proportional to 1,568,809,330.40, 2,352,962,053.20 and 478,038,706.40 is: 716,981,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,809,330.40 : 2,352,962,053.20 = 478,038,706.40 : x
  2. Step 2: Convert to fraction form
    1,568,809,330.40/2,352,962,053.20 = 478,038,706.40/x
  3. Step 3: Cross multiply
    1,568,809,330.40x = 2,352,962,053.20 × 478,038,706.40
  4. Step 4: Simplify right side
    1,568,809,330.40x = 1,124,806,936,120,015,872
  5. Step 5: Solve for x
    x = 1,124,806,936,120,015,872/1,568,809,330.40
  6. Step 6: Final answer
    x = 716,981,289.14

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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.