Home / 930,875,561,047.90-1,284,639,970,431.10-540,211,878,279.65

Finding the Fourth Proportional to 930,875,561,047.90, 1,284,639,970,431.10 and 540,211,878,279.65

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Solution

The fourth proportional to 930,875,561,047.90, 1,284,639,970,431.10 and 540,211,878,279.65 is: 745,510,786,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,875,561,047.90 : 1,284,639,970,431.10 = 540,211,878,279.65 : x
  2. Step 2: Convert to fraction form
    930,875,561,047.90/1,284,639,970,431.10 = 540,211,878,279.65/x
  3. Step 3: Cross multiply
    930,875,561,047.90x = 1,284,639,970,431.10 × 540,211,878,279.65
  4. Step 4: Simplify right side
    930,875,561,047.90x = 693,977,771,339,698,667,520,000
  5. Step 5: Solve for x
    x = 693,977,771,339,698,667,520,000/930,875,561,047.90
  6. Step 6: Final answer
    x = 745,510,786,166.18

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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.