Home / 4,971,938,417.47-6,860,250,772.38-2,856,985,754.16

Finding the Fourth Proportional to 4,971,938,417.47, 6,860,250,772.38 and 2,856,985,754.16

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Solution

The fourth proportional to 4,971,938,417.47, 6,860,250,772.38 and 2,856,985,754.16 is: 3,942,051,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971,938,417.47 : 6,860,250,772.38 = 2,856,985,754.16 : x
  2. Step 2: Convert to fraction form
    4,971,938,417.47/6,860,250,772.38 = 2,856,985,754.16/x
  3. Step 3: Cross multiply
    4,971,938,417.47x = 6,860,250,772.38 × 2,856,985,754.16
  4. Step 4: Simplify right side
    4,971,938,417.47x = 19,599,638,726,680,862,720
  5. Step 5: Solve for x
    x = 19,599,638,726,680,862,720/4,971,938,417.47
  6. Step 6: Final answer
    x = 3,942,051,787.65

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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.