Home / 926,468,998.80-1,389,703,498.20-313,044,367.20

Finding the Fourth Proportional to 926,468,998.80, 1,389,703,498.20 and 313,044,367.20

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Solution

The fourth proportional to 926,468,998.80, 1,389,703,498.20 and 313,044,367.20 is: 469,566,550.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,468,998.80 : 1,389,703,498.20 = 313,044,367.20 : x
  2. Step 2: Convert to fraction form
    926,468,998.80/1,389,703,498.20 = 313,044,367.20/x
  3. Step 3: Cross multiply
    926,468,998.80x = 1,389,703,498.20 × 313,044,367.20
  4. Step 4: Simplify right side
    926,468,998.80x = 435,038,852,189,645,312
  5. Step 5: Solve for x
    x = 435,038,852,189,645,312/926,468,998.80
  6. Step 6: Final answer
    x = 469,566,550.80

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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.