Home / 1,190,774,668,970.90-1,786,161,904,948.40-330,248,827,278.30

Finding the Fourth Proportional to 1,190,774,668,970.90, 1,786,161,904,948.40 and 330,248,827,278.30

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Solution

The fourth proportional to 1,190,774,668,970.90, 1,786,161,904,948.40 and 330,248,827,278.30 is: 495,373,213,597.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,774,668,970.90 : 1,786,161,904,948.40 = 330,248,827,278.30 : x
  2. Step 2: Convert to fraction form
    1,190,774,668,970.90/1,786,161,904,948.40 = 330,248,827,278.30/x
  3. Step 3: Cross multiply
    1,190,774,668,970.90x = 1,786,161,904,948.40 × 330,248,827,278.30
  4. Step 4: Simplify right side
    1,190,774,668,970.90x = 589,877,874,438,383,396,192,256
  5. Step 5: Solve for x
    x = 589,877,874,438,383,396,192,256/1,190,774,668,970.90
  6. Step 6: Final answer
    x = 495,373,213,597.31

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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.