Home / 786,806,848.64-1,180,194,068.76-262,214,039.80

Finding the Fourth Proportional to 786,806,848.64, 1,180,194,068.76 and 262,214,039.80

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Solution

The fourth proportional to 786,806,848.64, 1,180,194,068.76 and 262,214,039.80 is: 393,315,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,806,848.64 : 1,180,194,068.76 = 262,214,039.80 : x
  2. Step 2: Convert to fraction form
    786,806,848.64/1,180,194,068.76 = 262,214,039.80/x
  3. Step 3: Cross multiply
    786,806,848.64x = 1,180,194,068.76 × 262,214,039.80
  4. Step 4: Simplify right side
    786,806,848.64x = 309,463,454,517,558,592
  5. Step 5: Solve for x
    x = 309,463,454,517,558,592/786,806,848.64
  6. Step 6: Final answer
    x = 393,315,659.43

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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.