Home / 945,636,655,157.85-1,304,979,842,577.80-512,089,791,935.80

Finding the Fourth Proportional to 945,636,655,157.85, 1,304,979,842,577.80 and 512,089,791,935.80

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Solution

The fourth proportional to 945,636,655,157.85, 1,304,979,842,577.80 and 512,089,791,935.80 is: 706,684,594,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,636,655,157.85 : 1,304,979,842,577.80 = 512,089,791,935.80 : x
  2. Step 2: Convert to fraction form
    945,636,655,157.85/1,304,979,842,577.80 = 512,089,791,935.80/x
  3. Step 3: Cross multiply
    945,636,655,157.85x = 1,304,979,842,577.80 × 512,089,791,935.80
  4. Step 4: Simplify right side
    945,636,655,157.85x = 668,266,856,066,078,623,137,792
  5. Step 5: Solve for x
    x = 668,266,856,066,078,623,137,792/945,636,655,157.85
  6. Step 6: Final answer
    x = 706,684,594,364.13

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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.