Home / 833,644,630.85-1,250,343,944.55-243,276,356.21

Finding the Fourth Proportional to 833,644,630.85, 1,250,343,944.55 and 243,276,356.21

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Solution

The fourth proportional to 833,644,630.85, 1,250,343,944.55 and 243,276,356.21 is: 364,878,639.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,644,630.85 : 1,250,343,944.55 = 243,276,356.21 : x
  2. Step 2: Convert to fraction form
    833,644,630.85/1,250,343,944.55 = 243,276,356.21/x
  3. Step 3: Cross multiply
    833,644,630.85x = 1,250,343,944.55 × 243,276,356.21
  4. Step 4: Simplify right side
    833,644,630.85x = 304,179,118,833,110,592
  5. Step 5: Solve for x
    x = 304,179,118,833,110,592/833,644,630.85
  6. Step 6: Final answer
    x = 364,878,639.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.