Home / 5,218,844,797.47-7,202,006,886.02-2,872,001,341.47

Finding the Fourth Proportional to 5,218,844,797.47, 7,202,006,886.02 and 2,872,001,341.47

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Solution

The fourth proportional to 5,218,844,797.47, 7,202,006,886.02 and 2,872,001,341.47 is: 3,963,362,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,844,797.47 : 7,202,006,886.02 = 2,872,001,341.47 : x
  2. Step 2: Convert to fraction form
    5,218,844,797.47/7,202,006,886.02 = 2,872,001,341.47/x
  3. Step 3: Cross multiply
    5,218,844,797.47x = 7,202,006,886.02 × 2,872,001,341.47
  4. Step 4: Simplify right side
    5,218,844,797.47x = 20,684,173,437,911,257,088
  5. Step 5: Solve for x
    x = 20,684,173,437,911,257,088/5,218,844,797.47
  6. Step 6: Final answer
    x = 3,963,362,437.59

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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.