Home / 1,220,476,938,987.10-1,684,148,703,685.80-706,677,411,288.85

Finding the Fourth Proportional to 1,220,476,938,987.10, 1,684,148,703,685.80 and 706,677,411,288.85

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Solution

The fourth proportional to 1,220,476,938,987.10, 1,684,148,703,685.80 and 706,677,411,288.85 is: 975,151,441,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,476,938,987.10 : 1,684,148,703,685.80 = 706,677,411,288.85 : x
  2. Step 2: Convert to fraction form
    1,220,476,938,987.10/1,684,148,703,685.80 = 706,677,411,288.85/x
  3. Step 3: Cross multiply
    1,220,476,938,987.10x = 1,684,148,703,685.80 × 706,677,411,288.85
  4. Step 4: Simplify right side
    1,220,476,938,987.10x = 1,190,149,846,146,153,694,887,936
  5. Step 5: Solve for x
    x = 1,190,149,846,146,153,694,887,936/1,220,476,938,987.10
  6. Step 6: Final answer
    x = 975,151,441,315.95

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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.