Home / 711,922,293,488.36-982,536,989,568.18-422,891,694,803.24

Finding the Fourth Proportional to 711,922,293,488.36, 982,536,989,568.18 and 422,891,694,803.24

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Solution

The fourth proportional to 711,922,293,488.36, 982,536,989,568.18 and 422,891,694,803.24 is: 583,640,569,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,922,293,488.36 : 982,536,989,568.18 = 422,891,694,803.24 : x
  2. Step 2: Convert to fraction form
    711,922,293,488.36/982,536,989,568.18 = 422,891,694,803.24/x
  3. Step 3: Cross multiply
    711,922,293,488.36x = 982,536,989,568.18 × 422,891,694,803.24
  4. Step 4: Simplify right side
    711,922,293,488.36x = 415,506,732,725,360,977,248,256
  5. Step 5: Solve for x
    x = 415,506,732,725,360,977,248,256/711,922,293,488.36
  6. Step 6: Final answer
    x = 583,640,569,379.30

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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.