Home / 520,081,934,875.65-779,935,743,555.50-180,028,718,432.72

Finding the Fourth Proportional to 520,081,934,875.65, 779,935,743,555.50 and 180,028,718,432.72

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Solution

The fourth proportional to 520,081,934,875.65, 779,935,743,555.50 and 180,028,718,432.72 is: 269,978,291,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,081,934,875.65 : 779,935,743,555.50 = 180,028,718,432.72 : x
  2. Step 2: Convert to fraction form
    520,081,934,875.65/779,935,743,555.50 = 180,028,718,432.72/x
  3. Step 3: Cross multiply
    520,081,934,875.65x = 779,935,743,555.50 × 180,028,718,432.72
  4. Step 4: Simplify right side
    520,081,934,875.65x = 140,410,832,372,167,224,590,336
  5. Step 5: Solve for x
    x = 140,410,832,372,167,224,590,336/520,081,934,875.65
  6. Step 6: Final answer
    x = 269,978,291,796.92

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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.