Home / 945,385,131.28-1,304,849,159.52-554,370,526.48

Finding the Fourth Proportional to 945,385,131.28, 1,304,849,159.52 and 554,370,526.48

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Solution

The fourth proportional to 945,385,131.28, 1,304,849,159.52 and 554,370,526.48 is: 765,158,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,385,131.28 : 1,304,849,159.52 = 554,370,526.48 : x
  2. Step 2: Convert to fraction form
    945,385,131.28/1,304,849,159.52 = 554,370,526.48/x
  3. Step 3: Cross multiply
    945,385,131.28x = 1,304,849,159.52 × 554,370,526.48
  4. Step 4: Simplify right side
    945,385,131.28x = 723,369,915,540,087,936
  5. Step 5: Solve for x
    x = 723,369,915,540,087,936/945,385,131.28
  6. Step 6: Final answer
    x = 765,158,972.37

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1.5x scale

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.