Home / 893,100,820.86-1,232,480,156.40-496,615,297.86

Finding the Fourth Proportional to 893,100,820.86, 1,232,480,156.40 and 496,615,297.86

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Solution

The fourth proportional to 893,100,820.86, 1,232,480,156.40 and 496,615,297.86 is: 685,329,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,100,820.86 : 1,232,480,156.40 = 496,615,297.86 : x
  2. Step 2: Convert to fraction form
    893,100,820.86/1,232,480,156.40 = 496,615,297.86/x
  3. Step 3: Cross multiply
    893,100,820.86x = 1,232,480,156.40 × 496,615,297.86
  4. Step 4: Simplify right side
    893,100,820.86x = 612,068,499,977,125,504
  5. Step 5: Solve for x
    x = 612,068,499,977,125,504/893,100,820.86
  6. Step 6: Final answer
    x = 685,329,680.23

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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.