Home / 385,244,928,137.80-577,867,392,206.70-251,352,407,139.40

Finding the Fourth Proportional to 385,244,928,137.80, 577,867,392,206.70 and 251,352,407,139.40

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Solution

The fourth proportional to 385,244,928,137.80, 577,867,392,206.70 and 251,352,407,139.40 is: 377,028,610,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,244,928,137.80 : 577,867,392,206.70 = 251,352,407,139.40 : x
  2. Step 2: Convert to fraction form
    385,244,928,137.80/577,867,392,206.70 = 251,352,407,139.40/x
  3. Step 3: Cross multiply
    385,244,928,137.80x = 577,867,392,206.70 × 251,352,407,139.40
  4. Step 4: Simplify right side
    385,244,928,137.80x = 145,248,360,038,521,785,810,944
  5. Step 5: Solve for x
    x = 145,248,360,038,521,785,810,944/385,244,928,137.80
  6. Step 6: Final answer
    x = 377,028,610,709.10

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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.