Home / 385,244,928,218.80-577,867,392,328.20-251,352,407,220.40

Finding the Fourth Proportional to 385,244,928,218.80, 577,867,392,328.20 and 251,352,407,220.40

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Solution

The fourth proportional to 385,244,928,218.80, 577,867,392,328.20 and 251,352,407,220.40 is: 377,028,610,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,928,218.80 : 577,867,392,328.20 = 251,352,407,220.40 : x
  2. Step 2: Convert to fraction form
    385,244,928,218.80/577,867,392,328.20 = 251,352,407,220.40/x
  3. Step 3: Cross multiply
    385,244,928,218.80x = 577,867,392,328.20 × 251,352,407,220.40
  4. Step 4: Simplify right side
    385,244,928,218.80x = 145,248,360,115,868,358,672,384
  5. Step 5: Solve for x
    x = 145,248,360,115,868,358,672,384/385,244,928,218.80
  6. Step 6: Final answer
    x = 377,028,610,830.60

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Double scale
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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.