Home / 997,646,111.13-1,376,449,255.31-696,223,404.81

Finding the Fourth Proportional to 997,646,111.13, 1,376,449,255.31 and 696,223,404.81

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Solution

The fourth proportional to 997,646,111.13, 1,376,449,255.31 and 696,223,404.81 is: 960,577,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,646,111.13 : 1,376,449,255.31 = 696,223,404.81 : x
  2. Step 2: Convert to fraction form
    997,646,111.13/1,376,449,255.31 = 696,223,404.81/x
  3. Step 3: Cross multiply
    997,646,111.13x = 1,376,449,255.31 × 696,223,404.81
  4. Step 4: Simplify right side
    997,646,111.13x = 958,316,187,076,636,032
  5. Step 5: Solve for x
    x = 958,316,187,076,636,032/997,646,111.13
  6. Step 6: Final answer
    x = 960,577,279.24

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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.