Home / 1,992,877,422.30-2,989,316,133.45-957,488,636.70

Finding the Fourth Proportional to 1,992,877,422.30, 2,989,316,133.45 and 957,488,636.70

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Solution

The fourth proportional to 1,992,877,422.30, 2,989,316,133.45 and 957,488,636.70 is: 1,436,232,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,877,422.30 : 2,989,316,133.45 = 957,488,636.70 : x
  2. Step 2: Convert to fraction form
    1,992,877,422.30/2,989,316,133.45 = 957,488,636.70/x
  3. Step 3: Cross multiply
    1,992,877,422.30x = 2,989,316,133.45 × 957,488,636.70
  4. Step 4: Simplify right side
    1,992,877,422.30x = 2,862,236,229,282,355,712
  5. Step 5: Solve for x
    x = 2,862,236,229,282,355,712/1,992,877,422.30
  6. Step 6: Final answer
    x = 1,436,232,955.05

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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.