Home / 37,910,248,511.79-52,317,787,465.51-20,993,896,066.31

Finding the Fourth Proportional to 37,910,248,511.79, 52,317,787,465.51 and 20,993,896,066.31

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Solution

The fourth proportional to 37,910,248,511.79, 52,317,787,465.51 and 20,993,896,066.31 is: 28,972,487,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,910,248,511.79 : 52,317,787,465.51 = 20,993,896,066.31 : x
  2. Step 2: Convert to fraction form
    37,910,248,511.79/52,317,787,465.51 = 20,993,896,066.31/x
  3. Step 3: Cross multiply
    37,910,248,511.79x = 52,317,787,465.51 × 20,993,896,066.31
  4. Step 4: Simplify right side
    37,910,248,511.79x = 1,098,354,192,470,213,132,288
  5. Step 5: Solve for x
    x = 1,098,354,192,470,213,132,288/37,910,248,511.79
  6. Step 6: Final answer
    x = 28,972,487,271.58

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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.