Home / 440,348,962.60-660,523,443.90-133,640,583.40

Finding the Fourth Proportional to 440,348,962.60, 660,523,443.90 and 133,640,583.40

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Solution

The fourth proportional to 440,348,962.60, 660,523,443.90 and 133,640,583.40 is: 200,460,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,348,962.60 : 660,523,443.90 = 133,640,583.40 : x
  2. Step 2: Convert to fraction form
    440,348,962.60/660,523,443.90 = 133,640,583.40/x
  3. Step 3: Cross multiply
    440,348,962.60x = 660,523,443.90 × 133,640,583.40
  4. Step 4: Simplify right side
    440,348,962.60x = 88,272,738,392,173,168
  5. Step 5: Solve for x
    x = 88,272,738,392,173,168/440,348,962.60
  6. Step 6: Final answer
    x = 200,460,875.10

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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.