Home / 51,615,194,787.38-71,219,513,206.88-28,751,763,518.98

Finding the Fourth Proportional to 51,615,194,787.38, 71,219,513,206.88 and 28,751,763,518.98

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Solution

The fourth proportional to 51,615,194,787.38, 71,219,513,206.88 and 28,751,763,518.98 is: 39,672,166,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615,194,787.38 : 71,219,513,206.88 = 28,751,763,518.98 : x
  2. Step 2: Convert to fraction form
    51,615,194,787.38/71,219,513,206.88 = 28,751,763,518.98/x
  3. Step 3: Cross multiply
    51,615,194,787.38x = 71,219,513,206.88 × 28,751,763,518.98
  4. Step 4: Simplify right side
    51,615,194,787.38x = 2,047,686,601,661,086,695,424
  5. Step 5: Solve for x
    x = 2,047,686,601,661,086,695,424/51,615,194,787.38
  6. Step 6: Final answer
    x = 39,672,166,502.45

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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.