Home / 454,059,664,326.40-626,307,089,510.10-291,221,384,697.16

Finding the Fourth Proportional to 454,059,664,326.40, 626,307,089,510.10 and 291,221,384,697.16

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Solution

The fourth proportional to 454,059,664,326.40, 626,307,089,510.10 and 291,221,384,697.16 is: 401,696,147,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,059,664,326.40 : 626,307,089,510.10 = 291,221,384,697.16 : x
  2. Step 2: Convert to fraction form
    454,059,664,326.40/626,307,089,510.10 = 291,221,384,697.16/x
  3. Step 3: Cross multiply
    454,059,664,326.40x = 626,307,089,510.10 × 291,221,384,697.16
  4. Step 4: Simplify right side
    454,059,664,326.40x = 182,394,017,852,779,432,771,584
  5. Step 5: Solve for x
    x = 182,394,017,852,779,432,771,584/454,059,664,326.40
  6. Step 6: Final answer
    x = 401,696,147,406.89

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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.