Home / 930,875,561,046.42-1,284,639,970,429-540,211,878,278.16

Finding the Fourth Proportional to 930,875,561,046.42, 1,284,639,970,429 and 540,211,878,278.16

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Solution

The fourth proportional to 930,875,561,046.42, 1,284,639,970,429 and 540,211,878,278.16 is: 745,510,786,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875,561,046.42 : 1,284,639,970,429 = 540,211,878,278.16 : x
  2. Step 2: Convert to fraction form
    930,875,561,046.42/1,284,639,970,429 = 540,211,878,278.16/x
  3. Step 3: Cross multiply
    930,875,561,046.42x = 1,284,639,970,429 × 540,211,878,278.16
  4. Step 4: Simplify right side
    930,875,561,046.42x = 693,977,771,336,649,911,828,480
  5. Step 5: Solve for x
    x = 693,977,771,336,649,911,828,480/930,875,561,046.42
  6. Step 6: Final answer
    x = 745,510,786,164.09

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Double scale
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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.