Home / 523,521,417,973.56-785,508,904,140.48-281,215,795,484.28

Finding the Fourth Proportional to 523,521,417,973.56, 785,508,904,140.48 and 281,215,795,484.28

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Solution

The fourth proportional to 523,521,417,973.56, 785,508,904,140.48 and 281,215,795,484.28 is: 421,945,509,302.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,521,417,973.56 : 785,508,904,140.48 = 281,215,795,484.28 : x
  2. Step 2: Convert to fraction form
    523,521,417,973.56/785,508,904,140.48 = 281,215,795,484.28/x
  3. Step 3: Cross multiply
    523,521,417,973.56x = 785,508,904,140.48 × 281,215,795,484.28
  4. Step 4: Simplify right side
    523,521,417,973.56x = 220,897,511,337,850,128,302,080
  5. Step 5: Solve for x
    x = 220,897,511,337,850,128,302,080/523,521,417,973.56
  6. Step 6: Final answer
    x = 421,945,509,302.94

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.