Home / 1,319,574,742.02-1,979,792,077.23-629,392,184.10

Finding the Fourth Proportional to 1,319,574,742.02, 1,979,792,077.23 and 629,392,184.10

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Solution

The fourth proportional to 1,319,574,742.02, 1,979,792,077.23 and 629,392,184.10 is: 944,293,354.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,574,742.02 : 1,979,792,077.23 = 629,392,184.10 : x
  2. Step 2: Convert to fraction form
    1,319,574,742.02/1,979,792,077.23 = 629,392,184.10/x
  3. Step 3: Cross multiply
    1,319,574,742.02x = 1,979,792,077.23 × 629,392,184.10
  4. Step 4: Simplify right side
    1,319,574,742.02x = 1,246,065,659,551,665,664
  5. Step 5: Solve for x
    x = 1,246,065,659,551,665,664/1,319,574,742.02
  6. Step 6: Final answer
    x = 944,293,354.42

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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.