Home / 2,909,867,061.47-4,015,618,156.08-1,571,757,145.16

Finding the Fourth Proportional to 2,909,867,061.47, 4,015,618,156.08 and 1,571,757,145.16

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Solution

The fourth proportional to 2,909,867,061.47, 4,015,618,156.08 and 1,571,757,145.16 is: 2,169,025,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,867,061.47 : 4,015,618,156.08 = 1,571,757,145.16 : x
  2. Step 2: Convert to fraction form
    2,909,867,061.47/4,015,618,156.08 = 1,571,757,145.16/x
  3. Step 3: Cross multiply
    2,909,867,061.47x = 4,015,618,156.08 × 1,571,757,145.16
  4. Step 4: Simplify right side
    2,909,867,061.47x = 6,311,576,529,032,886,272
  5. Step 5: Solve for x
    x = 6,311,576,529,032,886,272/2,909,867,061.47
  6. Step 6: Final answer
    x = 2,169,025,730.63

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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.