Home / 880,103,009.80-1,320,154,514.70-266,607,519.40

Finding the Fourth Proportional to 880,103,009.80, 1,320,154,514.70 and 266,607,519.40

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Solution

The fourth proportional to 880,103,009.80, 1,320,154,514.70 and 266,607,519.40 is: 399,911,279.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,103,009.80 : 1,320,154,514.70 = 266,607,519.40 : x
  2. Step 2: Convert to fraction form
    880,103,009.80/1,320,154,514.70 = 266,607,519.40/x
  3. Step 3: Cross multiply
    880,103,009.80x = 1,320,154,514.70 × 266,607,519.40
  4. Step 4: Simplify right side
    880,103,009.80x = 351,963,120,388,877,824
  5. Step 5: Solve for x
    x = 351,963,120,388,877,824/880,103,009.80
  6. Step 6: Final answer
    x = 399,911,279.10

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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.