Home / 806,639,161.60-1,208,950,972.80-590,976,467.20

Finding the Fourth Proportional to 806,639,161.60, 1,208,950,972.80 and 590,976,467.20

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Solution

The fourth proportional to 806,639,161.60, 1,208,950,972.80 and 590,976,467.20 is: 885,726,368.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,639,161.60 : 1,208,950,972.80 = 590,976,467.20 : x
  2. Step 2: Convert to fraction form
    806,639,161.60/1,208,950,972.80 = 590,976,467.20/x
  3. Step 3: Cross multiply
    806,639,161.60x = 1,208,950,972.80 × 590,976,467.20
  4. Step 4: Simplify right side
    806,639,161.60x = 714,461,574,923,347,328
  5. Step 5: Solve for x
    x = 714,461,574,923,347,328/806,639,161.60
  6. Step 6: Final answer
    x = 885,726,368.04

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1.5x scale

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.