Home / 1,118,277,293.40-1,677,415,940.10-382,178,364.30

Finding the Fourth Proportional to 1,118,277,293.40, 1,677,415,940.10 and 382,178,364.30

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Solution

The fourth proportional to 1,118,277,293.40, 1,677,415,940.10 and 382,178,364.30 is: 573,267,546.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,277,293.40 : 1,677,415,940.10 = 382,178,364.30 : x
  2. Step 2: Convert to fraction form
    1,118,277,293.40/1,677,415,940.10 = 382,178,364.30/x
  3. Step 3: Cross multiply
    1,118,277,293.40x = 1,677,415,940.10 × 382,178,364.30
  4. Step 4: Simplify right side
    1,118,277,293.40x = 641,072,080,238,164,736
  5. Step 5: Solve for x
    x = 641,072,080,238,164,736/1,118,277,293.40
  6. Step 6: Final answer
    x = 573,267,546.45

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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.