Home / 651,843,048.40-977,764,572.60-345,733,032.40

Finding the Fourth Proportional to 651,843,048.40, 977,764,572.60 and 345,733,032.40

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Solution

The fourth proportional to 651,843,048.40, 977,764,572.60 and 345,733,032.40 is: 518,599,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,843,048.40 : 977,764,572.60 = 345,733,032.40 : x
  2. Step 2: Convert to fraction form
    651,843,048.40/977,764,572.60 = 345,733,032.40/x
  3. Step 3: Cross multiply
    651,843,048.40x = 977,764,572.60 × 345,733,032.40
  4. Step 4: Simplify right side
    651,843,048.40x = 338,045,510,658,287,936
  5. Step 5: Solve for x
    x = 338,045,510,658,287,936/651,843,048.40
  6. Step 6: Final answer
    x = 518,599,548.60

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Double scale
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Similar ratio
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1.5x scale

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.