Home / 1,329,705,606.60-1,994,558,409.90-778,707,577.80

Finding the Fourth Proportional to 1,329,705,606.60, 1,994,558,409.90 and 778,707,577.80

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Solution

The fourth proportional to 1,329,705,606.60, 1,994,558,409.90 and 778,707,577.80 is: 1,168,061,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,705,606.60 : 1,994,558,409.90 = 778,707,577.80 : x
  2. Step 2: Convert to fraction form
    1,329,705,606.60/1,994,558,409.90 = 778,707,577.80/x
  3. Step 3: Cross multiply
    1,329,705,606.60x = 1,994,558,409.90 × 778,707,577.80
  4. Step 4: Simplify right side
    1,329,705,606.60x = 1,553,177,748,153,848,576
  5. Step 5: Solve for x
    x = 1,553,177,748,153,848,576/1,329,705,606.60
  6. Step 6: Final answer
    x = 1,168,061,366.70

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Double scale
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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.