Home / 778,920,412.80-1,168,380,619.20-233,661,946.80

Finding the Fourth Proportional to 778,920,412.80, 1,168,380,619.20 and 233,661,946.80

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Solution

The fourth proportional to 778,920,412.80, 1,168,380,619.20 and 233,661,946.80 is: 350,492,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,920,412.80 : 1,168,380,619.20 = 233,661,946.80 : x
  2. Step 2: Convert to fraction form
    778,920,412.80/1,168,380,619.20 = 233,661,946.80/x
  3. Step 3: Cross multiply
    778,920,412.80x = 1,168,380,619.20 × 233,661,946.80
  4. Step 4: Simplify right side
    778,920,412.80x = 273,006,090,085,661,472
  5. Step 5: Solve for x
    x = 273,006,090,085,661,472/778,920,412.80
  6. Step 6: Final answer
    x = 350,492,920.20

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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.