Home / 1,991,276,411.16-2,985,958,635.30-941,139,897.24

Finding the Fourth Proportional to 1,991,276,411.16, 2,985,958,635.30 and 941,139,897.24

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Solution

The fourth proportional to 1,991,276,411.16, 2,985,958,635.30 and 941,139,897.24 is: 1,411,258,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,276,411.16 : 2,985,958,635.30 = 941,139,897.24 : x
  2. Step 2: Convert to fraction form
    1,991,276,411.16/2,985,958,635.30 = 941,139,897.24/x
  3. Step 3: Cross multiply
    1,991,276,411.16x = 2,985,958,635.30 × 941,139,897.24
  4. Step 4: Simplify right side
    1,991,276,411.16x = 2,810,204,803,189,132,800
  5. Step 5: Solve for x
    x = 2,810,204,803,189,132,800/1,991,276,411.16
  6. Step 6: Final answer
    x = 1,411,258,018.95

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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.