Home / 1,672,170,237.42-2,307,464,209.71-929,569,080.30

Finding the Fourth Proportional to 1,672,170,237.42, 2,307,464,209.71 and 929,569,080.30

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Solution

The fourth proportional to 1,672,170,237.42, 2,307,464,209.71 and 929,569,080.30 is: 1,282,732,663.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,672,170,237.42 : 2,307,464,209.71 = 929,569,080.30 : x
  2. Step 2: Convert to fraction form
    1,672,170,237.42/2,307,464,209.71 = 929,569,080.30/x
  3. Step 3: Cross multiply
    1,672,170,237.42x = 2,307,464,209.71 × 929,569,080.30
  4. Step 4: Simplify right side
    1,672,170,237.42x = 2,144,947,383,245,291,008
  5. Step 5: Solve for x
    x = 2,144,947,383,245,291,008/1,672,170,237.42
  6. Step 6: Final answer
    x = 1,282,732,663.96

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Double scale
Find fourth proportional to 1,672,170,238.42, 2,307,464,211.09 and 929,569,081.30
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.