Home / 1,220,476,938,986.60-1,684,148,703,685.10-706,677,411,288.35

Finding the Fourth Proportional to 1,220,476,938,986.60, 1,684,148,703,685.10 and 706,677,411,288.35

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Solution

The fourth proportional to 1,220,476,938,986.60, 1,684,148,703,685.10 and 706,677,411,288.35 is: 975,151,441,315.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,476,938,986.60 : 1,684,148,703,685.10 = 706,677,411,288.35 : x
  2. Step 2: Convert to fraction form
    1,220,476,938,986.60/1,684,148,703,685.10 = 706,677,411,288.35/x
  3. Step 3: Cross multiply
    1,220,476,938,986.60x = 1,684,148,703,685.10 × 706,677,411,288.35
  4. Step 4: Simplify right side
    1,220,476,938,986.60x = 1,190,149,846,144,816,886,317,056
  5. Step 5: Solve for x
    x = 1,190,149,846,144,816,886,317,056/1,220,476,938,986.60
  6. Step 6: Final answer
    x = 975,151,441,315.26

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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.