Home / 619,488,022.70-929,232,034.05-434,058,416.30

Finding the Fourth Proportional to 619,488,022.70, 929,232,034.05 and 434,058,416.30

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Solution

The fourth proportional to 619,488,022.70, 929,232,034.05 and 434,058,416.30 is: 651,087,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,488,022.70 : 929,232,034.05 = 434,058,416.30 : x
  2. Step 2: Convert to fraction form
    619,488,022.70/929,232,034.05 = 434,058,416.30/x
  3. Step 3: Cross multiply
    619,488,022.70x = 929,232,034.05 × 434,058,416.30
  4. Step 4: Simplify right side
    619,488,022.70x = 403,340,985,074,970,688
  5. Step 5: Solve for x
    x = 403,340,985,074,970,688/619,488,022.70
  6. Step 6: Final answer
    x = 651,087,624.45

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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.