Home / 847,115,320.80-1,270,672,981.20-233,698,562.40

Finding the Fourth Proportional to 847,115,320.80, 1,270,672,981.20 and 233,698,562.40

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Solution

The fourth proportional to 847,115,320.80, 1,270,672,981.20 and 233,698,562.40 is: 350,547,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,115,320.80 : 1,270,672,981.20 = 233,698,562.40 : x
  2. Step 2: Convert to fraction form
    847,115,320.80/1,270,672,981.20 = 233,698,562.40/x
  3. Step 3: Cross multiply
    847,115,320.80x = 1,270,672,981.20 × 233,698,562.40
  4. Step 4: Simplify right side
    847,115,320.80x = 296,954,448,986,962,240
  5. Step 5: Solve for x
    x = 296,954,448,986,962,240/847,115,320.80
  6. Step 6: Final answer
    x = 350,547,843.60

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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.