Home / 651,119,815.20-976,679,722.80-605,203,312.80

Finding the Fourth Proportional to 651,119,815.20, 976,679,722.80 and 605,203,312.80

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Solution

The fourth proportional to 651,119,815.20, 976,679,722.80 and 605,203,312.80 is: 907,804,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,119,815.20 : 976,679,722.80 = 605,203,312.80 : x
  2. Step 2: Convert to fraction form
    651,119,815.20/976,679,722.80 = 605,203,312.80/x
  3. Step 3: Cross multiply
    651,119,815.20x = 976,679,722.80 × 605,203,312.80
  4. Step 4: Simplify right side
    651,119,815.20x = 591,089,803,783,145,600
  5. Step 5: Solve for x
    x = 591,089,803,783,145,600/651,119,815.20
  6. Step 6: Final answer
    x = 907,804,969.20

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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.