Home / 511,788,354,838.90-706,290,130,687.78-283,417,596,824.95

Finding the Fourth Proportional to 511,788,354,838.90, 706,290,130,687.78 and 283,417,596,824.95

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Solution

The fourth proportional to 511,788,354,838.90, 706,290,130,687.78 and 283,417,596,824.95 is: 391,128,578,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,788,354,838.90 : 706,290,130,687.78 = 283,417,596,824.95 : x
  2. Step 2: Convert to fraction form
    511,788,354,838.90/706,290,130,687.78 = 283,417,596,824.95/x
  3. Step 3: Cross multiply
    511,788,354,838.90x = 706,290,130,687.78 × 283,417,596,824.95
  4. Step 4: Simplify right side
    511,788,354,838.90x = 200,175,051,500,710,510,198,784
  5. Step 5: Solve for x
    x = 200,175,051,500,710,510,198,784/511,788,354,838.90
  6. Step 6: Final answer
    x = 391,128,578,069.58

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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.