Home / 1,512,330,148,974.40-2,087,021,893,502.20-817,870,706,751.60

Finding the Fourth Proportional to 1,512,330,148,974.40, 2,087,021,893,502.20 and 817,870,706,751.60

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Solution

The fourth proportional to 1,512,330,148,974.40, 2,087,021,893,502.20 and 817,870,706,751.60 is: 1,128,664,975,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,330,148,974.40 : 2,087,021,893,502.20 = 817,870,706,751.60 : x
  2. Step 2: Convert to fraction form
    1,512,330,148,974.40/2,087,021,893,502.20 = 817,870,706,751.60/x
  3. Step 3: Cross multiply
    1,512,330,148,974.40x = 2,087,021,893,502.20 × 817,870,706,751.60
  4. Step 4: Simplify right side
    1,512,330,148,974.40x = 1,706,914,071,044,706,644,525,056
  5. Step 5: Solve for x
    x = 1,706,914,071,044,706,644,525,056/1,512,330,148,974.40
  6. Step 6: Final answer
    x = 1,128,664,975,833.66

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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.