Home / 20,300,870,749.34-30,451,264,253.86-11,453,693,404.88

Finding the Fourth Proportional to 20,300,870,749.34, 30,451,264,253.86 and 11,453,693,404.88

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Solution

The fourth proportional to 20,300,870,749.34, 30,451,264,253.86 and 11,453,693,404.88 is: 17,180,516,484.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,300,870,749.34 : 30,451,264,253.86 = 11,453,693,404.88 : x
  2. Step 2: Convert to fraction form
    20,300,870,749.34/30,451,264,253.86 = 11,453,693,404.88/x
  3. Step 3: Cross multiply
    20,300,870,749.34x = 30,451,264,253.86 × 11,453,693,404.88
  4. Step 4: Simplify right side
    20,300,870,749.34x = 348,779,444,554,831,495,168
  5. Step 5: Solve for x
    x = 348,779,444,554,831,495,168/20,300,870,749.34
  6. Step 6: Final answer
    x = 17,180,516,484.31

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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.