Home / 14,089,215,819.52-21,133,827,656.88-4,140,658,990.72

Finding the Fourth Proportional to 14,089,215,819.52, 21,133,827,656.88 and 4,140,658,990.72

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Solution

The fourth proportional to 14,089,215,819.52, 21,133,827,656.88 and 4,140,658,990.72 is: 6,210,989,640.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089,215,819.52 : 21,133,827,656.88 = 4,140,658,990.72 : x
  2. Step 2: Convert to fraction form
    14,089,215,819.52/21,133,827,656.88 = 4,140,658,990.72/x
  3. Step 3: Cross multiply
    14,089,215,819.52x = 21,133,827,656.88 × 4,140,658,990.72
  4. Step 4: Simplify right side
    14,089,215,819.52x = 87,507,973,495,787,159,552
  5. Step 5: Solve for x
    x = 87,507,973,495,787,159,552/14,089,215,819.52
  6. Step 6: Final answer
    x = 6,210,989,640.36

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1.5x scale

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.