Home / 752,020,514,331.40-1,128,095,750,648.70-207,469,012,196.47

Finding the Fourth Proportional to 752,020,514,331.40, 1,128,095,750,648.70 and 207,469,012,196.47

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Solution

The fourth proportional to 752,020,514,331.40, 1,128,095,750,648.70 and 207,469,012,196.47 is: 311,221,444,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,020,514,331.40 : 1,128,095,750,648.70 = 207,469,012,196.47 : x
  2. Step 2: Convert to fraction form
    752,020,514,331.40/1,128,095,750,648.70 = 207,469,012,196.47/x
  3. Step 3: Cross multiply
    752,020,514,331.40x = 1,128,095,750,648.70 × 207,469,012,196.47
  4. Step 4: Simplify right side
    752,020,514,331.40x = 234,044,911,050,121,096,986,624
  5. Step 5: Solve for x
    x = 234,044,911,050,121,096,986,624/752,020,514,331.40
  6. Step 6: Final answer
    x = 311,221,444,880.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.