Home / 317,215,944.67-437,759,263.35-177,977,615.35

Finding the Fourth Proportional to 317,215,944.67, 437,759,263.35 and 177,977,615.35

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Solution

The fourth proportional to 317,215,944.67, 437,759,263.35 and 177,977,615.35 is: 245,609,815.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,215,944.67 : 437,759,263.35 = 177,977,615.35 : x
  2. Step 2: Convert to fraction form
    317,215,944.67/437,759,263.35 = 177,977,615.35/x
  3. Step 3: Cross multiply
    317,215,944.67x = 437,759,263.35 × 177,977,615.35
  4. Step 4: Simplify right side
    317,215,944.67x = 77,911,349,788,405,648
  5. Step 5: Solve for x
    x = 77,911,349,788,405,648/317,215,944.67
  6. Step 6: Final answer
    x = 245,609,815.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.