Home / 2,623,411,985.40-3,935,321,417.70-876,620,968.20

Finding the Fourth Proportional to 2,623,411,985.40, 3,935,321,417.70 and 876,620,968.20

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Solution

The fourth proportional to 2,623,411,985.40, 3,935,321,417.70 and 876,620,968.20 is: 1,314,999,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623,411,985.40 : 3,935,321,417.70 = 876,620,968.20 : x
  2. Step 2: Convert to fraction form
    2,623,411,985.40/3,935,321,417.70 = 876,620,968.20/x
  3. Step 3: Cross multiply
    2,623,411,985.40x = 3,935,321,417.70 × 876,620,968.20
  4. Step 4: Simplify right side
    2,623,411,985.40x = 3,449,785,271,362,370,560
  5. Step 5: Solve for x
    x = 3,449,785,271,362,370,560/2,623,411,985.40
  6. Step 6: Final answer
    x = 1,314,999,432.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.