Home / 855,116,245.80-1,282,674,368.70-732,672,239.40

Finding the Fourth Proportional to 855,116,245.80, 1,282,674,368.70 and 732,672,239.40

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Solution

The fourth proportional to 855,116,245.80, 1,282,674,368.70 and 732,672,239.40 is: 1,099,008,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,116,245.80 : 1,282,674,368.70 = 732,672,239.40 : x
  2. Step 2: Convert to fraction form
    855,116,245.80/1,282,674,368.70 = 732,672,239.40/x
  3. Step 3: Cross multiply
    855,116,245.80x = 1,282,674,368.70 × 732,672,239.40
  4. Step 4: Simplify right side
    855,116,245.80x = 939,779,902,136,410,240
  5. Step 5: Solve for x
    x = 939,779,902,136,410,240/855,116,245.80
  6. Step 6: Final answer
    x = 1,099,008,359.10

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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.