Home / 1,538,390,569.02-2,122,979,783.94-833,543,106.90

Finding the Fourth Proportional to 1,538,390,569.02, 2,122,979,783.94 and 833,543,106.90

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Solution

The fourth proportional to 1,538,390,569.02, 2,122,979,783.94 and 833,543,106.90 is: 1,150,289,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,390,569.02 : 2,122,979,783.94 = 833,543,106.90 : x
  2. Step 2: Convert to fraction form
    1,538,390,569.02/2,122,979,783.94 = 833,543,106.90/x
  3. Step 3: Cross multiply
    1,538,390,569.02x = 2,122,979,783.94 × 833,543,106.90
  4. Step 4: Simplify right side
    1,538,390,569.02x = 1,769,595,164,991,238,400
  5. Step 5: Solve for x
    x = 1,769,595,164,991,238,400/1,538,390,569.02
  6. Step 6: Final answer
    x = 1,150,289,920.28

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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.