Home / 945,385,317.28-1,304,849,416.09-554,370,712.48

Finding the Fourth Proportional to 945,385,317.28, 1,304,849,416.09 and 554,370,712.48

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Solution

The fourth proportional to 945,385,317.28, 1,304,849,416.09 and 554,370,712.48 is: 765,159,229.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,385,317.28 : 1,304,849,416.09 = 554,370,712.48 : x
  2. Step 2: Convert to fraction form
    945,385,317.28/1,304,849,416.09 = 554,370,712.48/x
  3. Step 3: Cross multiply
    945,385,317.28x = 1,304,849,416.09 × 554,370,712.48
  4. Step 4: Simplify right side
    945,385,317.28x = 723,370,300,476,925,312
  5. Step 5: Solve for x
    x = 723,370,300,476,925,312/945,385,317.28
  6. Step 6: Final answer
    x = 765,159,229.00

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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.