Home / 79,628,468,188.02-109,913,473,392.79-63,381,876,386.25

Finding the Fourth Proportional to 79,628,468,188.02, 109,913,473,392.79 and 63,381,876,386.25

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Solution

The fourth proportional to 79,628,468,188.02, 109,913,473,392.79 and 63,381,876,386.25 is: 87,487,833,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,628,468,188.02 : 109,913,473,392.79 = 63,381,876,386.25 : x
  2. Step 2: Convert to fraction form
    79,628,468,188.02/109,913,473,392.79 = 63,381,876,386.25/x
  3. Step 3: Cross multiply
    79,628,468,188.02x = 109,913,473,392.79 × 63,381,876,386.25
  4. Step 4: Simplify right side
    79,628,468,188.02x = 6,966,522,183,765,193,654,272
  5. Step 5: Solve for x
    x = 6,966,522,183,765,193,654,272/79,628,468,188.02
  6. Step 6: Final answer
    x = 87,487,833,714.39

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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.