Home / 786,882,643.50-1,180,380,652.30-302,208,451.50

Finding the Fourth Proportional to 786,882,643.50, 1,180,380,652.30 and 302,208,451.50

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Solution

The fourth proportional to 786,882,643.50, 1,180,380,652.30 and 302,208,451.50 is: 453,334,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,882,643.50 : 1,180,380,652.30 = 302,208,451.50 : x
  2. Step 2: Convert to fraction form
    786,882,643.50/1,180,380,652.30 = 302,208,451.50/x
  3. Step 3: Cross multiply
    786,882,643.50x = 1,180,380,652.30 × 302,208,451.50
  4. Step 4: Simplify right side
    786,882,643.50x = 356,721,009,112,142,912
  5. Step 5: Solve for x
    x = 356,721,009,112,142,912/786,882,643.50
  6. Step 6: Final answer
    x = 453,334,448.36

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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.