Home / 85,802,527,215.68-118,405,630,724.64-49,675,082,953.28

Finding the Fourth Proportional to 85,802,527,215.68, 118,405,630,724.64 and 49,675,082,953.28

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Solution

The fourth proportional to 85,802,527,215.68, 118,405,630,724.64 and 49,675,082,953.28 is: 68,550,539,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802,527,215.68 : 118,405,630,724.64 = 49,675,082,953.28 : x
  2. Step 2: Convert to fraction form
    85,802,527,215.68/118,405,630,724.64 = 49,675,082,953.28/x
  3. Step 3: Cross multiply
    85,802,527,215.68x = 118,405,630,724.64 × 49,675,082,953.28
  4. Step 4: Simplify right side
    85,802,527,215.68x = 5,881,809,528,381,931,257,856
  5. Step 5: Solve for x
    x = 5,881,809,528,381,931,257,856/85,802,527,215.68
  6. Step 6: Final answer
    x = 68,550,539,468.34

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Double scale
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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.