Home / 611,789,401.86-917,683,271.73-284,085,720.06

Finding the Fourth Proportional to 611,789,401.86, 917,683,271.73 and 284,085,720.06

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Solution

The fourth proportional to 611,789,401.86, 917,683,271.73 and 284,085,720.06 is: 426,128,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,789,401.86 : 917,683,271.73 = 284,085,720.06 : x
  2. Step 2: Convert to fraction form
    611,789,401.86/917,683,271.73 = 284,085,720.06/x
  3. Step 3: Cross multiply
    611,789,401.86x = 917,683,271.73 × 284,085,720.06
  4. Step 4: Simplify right side
    611,789,401.86x = 260,700,713,036,433,696
  5. Step 5: Solve for x
    x = 260,700,713,036,433,696/611,789,401.86
  6. Step 6: Final answer
    x = 426,128,194.19

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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.