Home / 945,636,655,083.40-1,304,979,842,474.90-512,089,791,861.30

Finding the Fourth Proportional to 945,636,655,083.40, 1,304,979,842,474.90 and 512,089,791,861.30

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Solution

The fourth proportional to 945,636,655,083.40, 1,304,979,842,474.90 and 512,089,791,861.30 is: 706,684,594,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,636,655,083.40 : 1,304,979,842,474.90 = 512,089,791,861.30 : x
  2. Step 2: Convert to fraction form
    945,636,655,083.40/1,304,979,842,474.90 = 512,089,791,861.30/x
  3. Step 3: Cross multiply
    945,636,655,083.40x = 1,304,979,842,474.90 × 512,089,791,861.30
  4. Step 4: Simplify right side
    945,636,655,083.40x = 668,266,855,916,163,594,977,280
  5. Step 5: Solve for x
    x = 668,266,855,916,163,594,977,280/945,636,655,083.40
  6. Step 6: Final answer
    x = 706,684,594,261.24

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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.