Home / 723,707,881.86-1,086,020,971.82-309,187,826.16

Finding the Fourth Proportional to 723,707,881.86, 1,086,020,971.82 and 309,187,826.16

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Solution

The fourth proportional to 723,707,881.86, 1,086,020,971.82 and 309,187,826.16 is: 463,977,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,707,881.86 : 1,086,020,971.82 = 309,187,826.16 : x
  2. Step 2: Convert to fraction form
    723,707,881.86/1,086,020,971.82 = 309,187,826.16/x
  3. Step 3: Cross multiply
    723,707,881.86x = 1,086,020,971.82 × 309,187,826.16
  4. Step 4: Simplify right side
    723,707,881.86x = 335,784,463,439,650,496
  5. Step 5: Solve for x
    x = 335,784,463,439,650,496/723,707,881.86
  6. Step 6: Final answer
    x = 463,977,900.28

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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.