Home / 1,275,602,461,042.60-1,759,501,949,881.70-818,136,347,631.38

Finding the Fourth Proportional to 1,275,602,461,042.60, 1,759,501,949,881.70 and 818,136,347,631.38

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Solution

The fourth proportional to 1,275,602,461,042.60, 1,759,501,949,881.70 and 818,136,347,631.38 is: 1,128,496,175,642.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,602,461,042.60 : 1,759,501,949,881.70 = 818,136,347,631.38 : x
  2. Step 2: Convert to fraction form
    1,275,602,461,042.60/1,759,501,949,881.70 = 818,136,347,631.38/x
  3. Step 3: Cross multiply
    1,275,602,461,042.60x = 1,759,501,949,881.70 × 818,136,347,631.38
  4. Step 4: Simplify right side
    1,275,602,461,042.60x = 1,439,512,498,926,505,387,098,112
  5. Step 5: Solve for x
    x = 1,439,512,498,926,505,387,098,112/1,275,602,461,042.60
  6. Step 6: Final answer
    x = 1,128,496,175,642.32

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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.