Home / 760,384,018.86-1,140,391,680.52-207,689,036.62

Finding the Fourth Proportional to 760,384,018.86, 1,140,391,680.52 and 207,689,036.62

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Solution

The fourth proportional to 760,384,018.86, 1,140,391,680.52 and 207,689,036.62 is: 311,483,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,384,018.86 : 1,140,391,680.52 = 207,689,036.62 : x
  2. Step 2: Convert to fraction form
    760,384,018.86/1,140,391,680.52 = 207,689,036.62/x
  3. Step 3: Cross multiply
    760,384,018.86x = 1,140,391,680.52 × 207,689,036.62
  4. Step 4: Simplify right side
    760,384,018.86x = 236,846,849,496,661,632
  5. Step 5: Solve for x
    x = 236,846,849,496,661,632/760,384,018.86
  6. Step 6: Final answer
    x = 311,483,202.73

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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.