Home / 1,422,463,417.80-1,963,304,460.18-865,725,767.88

Finding the Fourth Proportional to 1,422,463,417.80, 1,963,304,460.18 and 865,725,767.88

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Solution

The fourth proportional to 1,422,463,417.80, 1,963,304,460.18 and 865,725,767.88 is: 1,194,887,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,463,417.80 : 1,963,304,460.18 = 865,725,767.88 : x
  2. Step 2: Convert to fraction form
    1,422,463,417.80/1,963,304,460.18 = 865,725,767.88/x
  3. Step 3: Cross multiply
    1,422,463,417.80x = 1,963,304,460.18 × 865,725,767.88
  4. Step 4: Simplify right side
    1,422,463,417.80x = 1,699,683,261,371,559,424
  5. Step 5: Solve for x
    x = 1,699,683,261,371,559,424/1,422,463,417.80
  6. Step 6: Final answer
    x = 1,194,887,151.47

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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.