Home / 1,512,330,148,649.50-2,087,021,893,049.40-817,870,706,424.52

Finding the Fourth Proportional to 1,512,330,148,649.50, 2,087,021,893,049.40 and 817,870,706,424.52

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Solution

The fourth proportional to 1,512,330,148,649.50, 2,087,021,893,049.40 and 817,870,706,424.52 is: 1,128,664,975,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,330,148,649.50 : 2,087,021,893,049.40 = 817,870,706,424.52 : x
  2. Step 2: Convert to fraction form
    1,512,330,148,649.50/2,087,021,893,049.40 = 817,870,706,424.52/x
  3. Step 3: Cross multiply
    1,512,330,148,649.50x = 2,087,021,893,049.40 × 817,870,706,424.52
  4. Step 4: Simplify right side
    1,512,330,148,649.50x = 1,706,914,069,991,751,656,931,328
  5. Step 5: Solve for x
    x = 1,706,914,069,991,751,656,931,328/1,512,330,148,649.50
  6. Step 6: Final answer
    x = 1,128,664,975,379.89

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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.