Home / 420,763,785,722.96-631,136,836,068.96-102,411,760,567.46

Finding the Fourth Proportional to 420,763,785,722.96, 631,136,836,068.96 and 102,411,760,567.46

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Solution

The fourth proportional to 420,763,785,722.96, 631,136,836,068.96 and 102,411,760,567.46 is: 153,615,488,628.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,763,785,722.96 : 631,136,836,068.96 = 102,411,760,567.46 : x
  2. Step 2: Convert to fraction form
    420,763,785,722.96/631,136,836,068.96 = 102,411,760,567.46/x
  3. Step 3: Cross multiply
    420,763,785,722.96x = 631,136,836,068.96 × 102,411,760,567.46
  4. Step 4: Simplify right side
    420,763,785,722.96x = 64,635,834,540,798,580,359,168
  5. Step 5: Solve for x
    x = 64,635,834,540,798,580,359,168/420,763,785,722.96
  6. Step 6: Final answer
    x = 153,615,488,628.00

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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.