Home / 885,570,086.70-1,328,922,000.45-517,104,326.70

Finding the Fourth Proportional to 885,570,086.70, 1,328,922,000.45 and 517,104,326.70

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Solution

The fourth proportional to 885,570,086.70, 1,328,922,000.45 and 517,104,326.70 is: 775,987,498.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,570,086.70 : 1,328,922,000.45 = 517,104,326.70 : x
  2. Step 2: Convert to fraction form
    885,570,086.70/1,328,922,000.45 = 517,104,326.70/x
  3. Step 3: Cross multiply
    885,570,086.70x = 1,328,922,000.45 × 517,104,326.70
  4. Step 4: Simplify right side
    885,570,086.70x = 687,191,316,279,514,368
  5. Step 5: Solve for x
    x = 687,191,316,279,514,368/885,570,086.70
  6. Step 6: Final answer
    x = 775,987,498.45

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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.