Home / 738,051,388.13-1,018,532,173.26-408,047,784.77

Finding the Fourth Proportional to 738,051,388.13, 1,018,532,173.26 and 408,047,784.77

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Solution

The fourth proportional to 738,051,388.13, 1,018,532,173.26 and 408,047,784.77 is: 563,117,695.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,051,388.13 : 1,018,532,173.26 = 408,047,784.77 : x
  2. Step 2: Convert to fraction form
    738,051,388.13/1,018,532,173.26 = 408,047,784.77/x
  3. Step 3: Cross multiply
    738,051,388.13x = 1,018,532,173.26 × 408,047,784.77
  4. Step 4: Simplify right side
    738,051,388.13x = 415,609,797,010,624,128
  5. Step 5: Solve for x
    x = 415,609,797,010,624,128/738,051,388.13
  6. Step 6: Final answer
    x = 563,117,695.73

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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.