Home / 423,461,991,701.70-635,380,563,653.10-221,955,838,055.55

Finding the Fourth Proportional to 423,461,991,701.70, 635,380,563,653.10 and 221,955,838,055.55

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Solution

The fourth proportional to 423,461,991,701.70, 635,380,563,653.10 and 221,955,838,055.55 is: 333,032,074,314.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,461,991,701.70 : 635,380,563,653.10 = 221,955,838,055.55 : x
  2. Step 2: Convert to fraction form
    423,461,991,701.70/635,380,563,653.10 = 221,955,838,055.55/x
  3. Step 3: Cross multiply
    423,461,991,701.70x = 635,380,563,653.10 × 221,955,838,055.55
  4. Step 4: Simplify right side
    423,461,991,701.70x = 141,026,425,489,831,527,186,432
  5. Step 5: Solve for x
    x = 141,026,425,489,831,527,186,432/423,461,991,701.70
  6. Step 6: Final answer
    x = 333,032,074,314.65

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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.