Home / 674,981,250.51-931,467,264.01-373,567,155.65

Finding the Fourth Proportional to 674,981,250.51, 931,467,264.01 and 373,567,155.65

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Solution

The fourth proportional to 674,981,250.51, 931,467,264.01 and 373,567,155.65 is: 515,518,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,981,250.51 : 931,467,264.01 = 373,567,155.65 : x
  2. Step 2: Convert to fraction form
    674,981,250.51/931,467,264.01 = 373,567,155.65/x
  3. Step 3: Cross multiply
    674,981,250.51x = 931,467,264.01 × 373,567,155.65
  4. Step 4: Simplify right side
    674,981,250.51x = 347,965,576,391,712,064
  5. Step 5: Solve for x
    x = 347,965,576,391,712,064/674,981,250.51
  6. Step 6: Final answer
    x = 515,518,877.20

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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.