Home / 2,989,604,384.10-4,484,382,956.55-778,809,824.10

Finding the Fourth Proportional to 2,989,604,384.10, 4,484,382,956.55 and 778,809,824.10

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Solution

The fourth proportional to 2,989,604,384.10, 4,484,382,956.55 and 778,809,824.10 is: 1,168,208,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,604,384.10 : 4,484,382,956.55 = 778,809,824.10 : x
  2. Step 2: Convert to fraction form
    2,989,604,384.10/4,484,382,956.55 = 778,809,824.10/x
  3. Step 3: Cross multiply
    2,989,604,384.10x = 4,484,382,956.55 × 778,809,824.10
  4. Step 4: Simplify right side
    2,989,604,384.10x = 3,492,481,501,587,743,744
  5. Step 5: Solve for x
    x = 3,492,481,501,587,743,744/2,989,604,384.10
  6. Step 6: Final answer
    x = 1,168,208,583.10

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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.