Home / 993,831,934.60-1,490,733,905.10-448,572,593.80

Finding the Fourth Proportional to 993,831,934.60, 1,490,733,905.10 and 448,572,593.80

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Solution

The fourth proportional to 993,831,934.60, 1,490,733,905.10 and 448,572,593.80 is: 672,852,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,831,934.60 : 1,490,733,905.10 = 448,572,593.80 : x
  2. Step 2: Convert to fraction form
    993,831,934.60/1,490,733,905.10 = 448,572,593.80/x
  3. Step 3: Cross multiply
    993,831,934.60x = 1,490,733,905.10 × 448,572,593.80
  4. Step 4: Simplify right side
    993,831,934.60x = 668,702,374,476,310,016
  5. Step 5: Solve for x
    x = 668,702,374,476,310,016/993,831,934.60
  6. Step 6: Final answer
    x = 672,852,573.15

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Double scale
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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.