Home / 2,849,251,989.76-3,931,968,118.54-1,579,174,970.05

Finding the Fourth Proportional to 2,849,251,989.76, 3,931,968,118.54 and 1,579,174,970.05

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Solution

The fourth proportional to 2,849,251,989.76, 3,931,968,118.54 and 1,579,174,970.05 is: 2,179,261,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849,251,989.76 : 3,931,968,118.54 = 1,579,174,970.05 : x
  2. Step 2: Convert to fraction form
    2,849,251,989.76/3,931,968,118.54 = 1,579,174,970.05/x
  3. Step 3: Cross multiply
    2,849,251,989.76x = 3,931,968,118.54 × 1,579,174,970.05
  4. Step 4: Simplify right side
    2,849,251,989.76x = 6,209,265,635,825,062,912
  5. Step 5: Solve for x
    x = 6,209,265,635,825,062,912/2,849,251,989.76
  6. Step 6: Final answer
    x = 2,179,261,665.22

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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.