Home / 1,005,119,831,998.40-1,387,063,479,298.40-548,378,625,368.84

Finding the Fourth Proportional to 1,005,119,831,998.40, 1,387,063,479,298.40 and 548,378,625,368.84

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Solution

The fourth proportional to 1,005,119,831,998.40, 1,387,063,479,298.40 and 548,378,625,368.84 is: 756,761,472,475.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,119,831,998.40 : 1,387,063,479,298.40 = 548,378,625,368.84 : x
  2. Step 2: Convert to fraction form
    1,005,119,831,998.40/1,387,063,479,298.40 = 548,378,625,368.84/x
  3. Step 3: Cross multiply
    1,005,119,831,998.40x = 1,387,063,479,298.40 × 548,378,625,368.84
  4. Step 4: Simplify right side
    1,005,119,831,998.40x = 760,635,964,076,977,029,120,000
  5. Step 5: Solve for x
    x = 760,635,964,076,977,029,120,000/1,005,119,831,998.40
  6. Step 6: Final answer
    x = 756,761,472,475.04

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Double scale
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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.