Home / 629,859,098.40-944,788,647.60-384,971,085.60

Finding the Fourth Proportional to 629,859,098.40, 944,788,647.60 and 384,971,085.60

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Solution

The fourth proportional to 629,859,098.40, 944,788,647.60 and 384,971,085.60 is: 577,456,628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,859,098.40 : 944,788,647.60 = 384,971,085.60 : x
  2. Step 2: Convert to fraction form
    629,859,098.40/944,788,647.60 = 384,971,085.60/x
  3. Step 3: Cross multiply
    629,859,098.40x = 944,788,647.60 × 384,971,085.60
  4. Step 4: Simplify right side
    629,859,098.40x = 363,716,311,329,127,872
  5. Step 5: Solve for x
    x = 363,716,311,329,127,872/629,859,098.40
  6. Step 6: Final answer
    x = 577,456,628.40

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Double scale
Find fourth proportional to 629,859,099.40, 944,788,649.10 and 384,971,086.60
Similar ratio
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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.