Home / 8,661,565,347.62-11,952,640,114.89-4,701,181,985.06

Finding the Fourth Proportional to 8,661,565,347.62, 11,952,640,114.89 and 4,701,181,985.06

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Solution

The fourth proportional to 8,661,565,347.62, 11,952,640,114.89 and 4,701,181,985.06 is: 6,487,457,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661,565,347.62 : 11,952,640,114.89 = 4,701,181,985.06 : x
  2. Step 2: Convert to fraction form
    8,661,565,347.62/11,952,640,114.89 = 4,701,181,985.06/x
  3. Step 3: Cross multiply
    8,661,565,347.62x = 11,952,640,114.89 × 4,701,181,985.06
  4. Step 4: Simplify right side
    8,661,565,347.62x = 56,191,536,382,026,358,784
  5. Step 5: Solve for x
    x = 56,191,536,382,026,358,784/8,661,565,347.62
  6. Step 6: Final answer
    x = 6,487,457,419.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.