Home / 995,225,009.31-1,373,683,714.20-577,671,815.61

Finding the Fourth Proportional to 995,225,009.31, 1,373,683,714.20 and 577,671,815.61

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Solution

The fourth proportional to 995,225,009.31, 1,373,683,714.20 and 577,671,815.61 is: 797,345,683.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,225,009.31 : 1,373,683,714.20 = 577,671,815.61 : x
  2. Step 2: Convert to fraction form
    995,225,009.31/1,373,683,714.20 = 577,671,815.61/x
  3. Step 3: Cross multiply
    995,225,009.31x = 1,373,683,714.20 × 577,671,815.61
  4. Step 4: Simplify right side
    995,225,009.31x = 793,538,365,255,802,368
  5. Step 5: Solve for x
    x = 793,538,365,255,802,368/995,225,009.31
  6. Step 6: Final answer
    x = 797,345,683.47

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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.