Home / 1,118,976,021.60-1,678,464,032.40-1,097,476,936.80

Finding the Fourth Proportional to 1,118,976,021.60, 1,678,464,032.40 and 1,097,476,936.80

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Solution

The fourth proportional to 1,118,976,021.60, 1,678,464,032.40 and 1,097,476,936.80 is: 1,646,215,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,976,021.60 : 1,678,464,032.40 = 1,097,476,936.80 : x
  2. Step 2: Convert to fraction form
    1,118,976,021.60/1,678,464,032.40 = 1,097,476,936.80/x
  3. Step 3: Cross multiply
    1,118,976,021.60x = 1,678,464,032.40 × 1,097,476,936.80
  4. Step 4: Simplify right side
    1,118,976,021.60x = 1,842,075,564,807,328,000
  5. Step 5: Solve for x
    x = 1,842,075,564,807,328,000/1,118,976,021.60
  6. Step 6: Final answer
    x = 1,646,215,405.20

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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.