Home / 50,727,913,141.38-70,004,683,712.60-28,172,776,547.38

Finding the Fourth Proportional to 50,727,913,141.38, 70,004,683,712.60 and 28,172,776,547.38

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Solution

The fourth proportional to 50,727,913,141.38, 70,004,683,712.60 and 28,172,776,547.38 is: 38,878,522,481.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,727,913,141.38 : 70,004,683,712.60 = 28,172,776,547.38 : x
  2. Step 2: Convert to fraction form
    50,727,913,141.38/70,004,683,712.60 = 28,172,776,547.38/x
  3. Step 3: Cross multiply
    50,727,913,141.38x = 70,004,683,712.60 × 28,172,776,547.38
  4. Step 4: Simplify right side
    50,727,913,141.38x = 1,972,226,311,505,092,280,320
  5. Step 5: Solve for x
    x = 1,972,226,311,505,092,280,320/50,727,913,141.38
  6. Step 6: Final answer
    x = 38,878,522,481.47

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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.