Home / 209,576,628,220.14-289,454,314,510.43-140,868,755,582.15

Finding the Fourth Proportional to 209,576,628,220.14, 289,454,314,510.43 and 140,868,755,582.15

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Solution

The fourth proportional to 209,576,628,220.14, 289,454,314,510.43 and 140,868,755,582.15 is: 194,559,237,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,576,628,220.14 : 289,454,314,510.43 = 140,868,755,582.15 : x
  2. Step 2: Convert to fraction form
    209,576,628,220.14/289,454,314,510.43 = 140,868,755,582.15/x
  3. Step 3: Cross multiply
    209,576,628,220.14x = 289,454,314,510.43 × 140,868,755,582.15
  4. Step 4: Simplify right side
    209,576,628,220.14x = 40,775,069,082,968,538,480,640
  5. Step 5: Solve for x
    x = 40,775,069,082,968,538,480,640/209,576,628,220.14
  6. Step 6: Final answer
    x = 194,559,237,970.65

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1.5x scale

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.