Home / 2,989,610,001.10-4,484,391,382.05-778,815,441.10

Finding the Fourth Proportional to 2,989,610,001.10, 4,484,391,382.05 and 778,815,441.10

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Solution

The fourth proportional to 2,989,610,001.10, 4,484,391,382.05 and 778,815,441.10 is: 1,168,217,008.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,610,001.10 : 4,484,391,382.05 = 778,815,441.10 : x
  2. Step 2: Convert to fraction form
    2,989,610,001.10/4,484,391,382.05 = 778,815,441.10/x
  3. Step 3: Cross multiply
    2,989,610,001.10x = 4,484,391,382.05 × 778,815,441.10
  4. Step 4: Simplify right side
    2,989,610,001.10x = 3,492,513,252,276,309,504
  5. Step 5: Solve for x
    x = 3,492,513,252,276,309,504/2,989,610,001.10
  6. Step 6: Final answer
    x = 1,168,217,008.57

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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.