Home / 283,458,500.77-391,172,727.89-153,078,308.77

Finding the Fourth Proportional to 283,458,500.77, 391,172,727.89 and 153,078,308.77

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Solution

The fourth proportional to 283,458,500.77, 391,172,727.89 and 153,078,308.77 is: 211,248,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,458,500.77 : 391,172,727.89 = 153,078,308.77 : x
  2. Step 2: Convert to fraction form
    283,458,500.77/391,172,727.89 = 153,078,308.77/x
  3. Step 3: Cross multiply
    283,458,500.77x = 391,172,727.89 × 153,078,308.77
  4. Step 4: Simplify right side
    283,458,500.77x = 59,880,059,621,583,224
  5. Step 5: Solve for x
    x = 59,880,059,621,583,224/283,458,500.77
  6. Step 6: Final answer
    x = 211,248,064.39

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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.