Home / 12,118,896,007.20-18,173,809,047.60-4,255,269,818.40

Finding the Fourth Proportional to 12,118,896,007.20, 18,173,809,047.60 and 4,255,269,818.40

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Solution

The fourth proportional to 12,118,896,007.20, 18,173,809,047.60 and 4,255,269,818.40 is: 6,381,312,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,118,896,007.20 : 18,173,809,047.60 = 4,255,269,818.40 : x
  2. Step 2: Convert to fraction form
    12,118,896,007.20/18,173,809,047.60 = 4,255,269,818.40/x
  3. Step 3: Cross multiply
    12,118,896,007.20x = 18,173,809,047.60 × 4,255,269,818.40
  4. Step 4: Simplify right side
    12,118,896,007.20x = 77,334,461,125,617,123,328
  5. Step 5: Solve for x
    x = 77,334,461,125,617,123,328/12,118,896,007.20
  6. Step 6: Final answer
    x = 6,381,312,380.24

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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.