Home / 945,636,655,081.89-1,304,979,842,472.90-512,089,791,859.80

Finding the Fourth Proportional to 945,636,655,081.89, 1,304,979,842,472.90 and 512,089,791,859.80

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Solution

The fourth proportional to 945,636,655,081.89, 1,304,979,842,472.90 and 512,089,791,859.80 is: 706,684,594,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,636,655,081.89 : 1,304,979,842,472.90 = 512,089,791,859.80 : x
  2. Step 2: Convert to fraction form
    945,636,655,081.89/1,304,979,842,472.90 = 512,089,791,859.80/x
  3. Step 3: Cross multiply
    945,636,655,081.89x = 1,304,979,842,472.90 × 512,089,791,859.80
  4. Step 4: Simplify right side
    945,636,655,081.89x = 668,266,855,913,181,948,149,760
  5. Step 5: Solve for x
    x = 668,266,855,913,181,948,149,760/945,636,655,081.89
  6. Step 6: Final answer
    x = 706,684,594,259.21

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Double scale
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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.