Home / 2,989,629,312.30-4,484,443,968.45-919,082,032.20

Finding the Fourth Proportional to 2,989,629,312.30, 4,484,443,968.45 and 919,082,032.20

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Solution

The fourth proportional to 2,989,629,312.30, 4,484,443,968.45 and 919,082,032.20 is: 1,378,623,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,629,312.30 : 4,484,443,968.45 = 919,082,032.20 : x
  2. Step 2: Convert to fraction form
    2,989,629,312.30/4,484,443,968.45 = 919,082,032.20/x
  3. Step 3: Cross multiply
    2,989,629,312.30x = 4,484,443,968.45 × 919,082,032.20
  4. Step 4: Simplify right side
    2,989,629,312.30x = 4,121,571,875,810,058,752
  5. Step 5: Solve for x
    x = 4,121,571,875,810,058,752/2,989,629,312.30
  6. Step 6: Final answer
    x = 1,378,623,048.30

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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.