Home / 945,385,318.28-1,304,849,417.47-554,370,713.48

Finding the Fourth Proportional to 945,385,318.28, 1,304,849,417.47 and 554,370,713.48

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Solution

The fourth proportional to 945,385,318.28, 1,304,849,417.47 and 554,370,713.48 is: 765,159,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,385,318.28 : 1,304,849,417.47 = 554,370,713.48 : x
  2. Step 2: Convert to fraction form
    945,385,318.28/1,304,849,417.47 = 554,370,713.48/x
  3. Step 3: Cross multiply
    945,385,318.28x = 1,304,849,417.47 × 554,370,713.48
  4. Step 4: Simplify right side
    945,385,318.28x = 723,370,302,546,806,272
  5. Step 5: Solve for x
    x = 723,370,302,546,806,272/945,385,318.28
  6. Step 6: Final answer
    x = 765,159,230.38

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Double scale
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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.