Home / 611,809,266.15-917,060,518.84-348,927,769.29

Finding the Fourth Proportional to 611,809,266.15, 917,060,518.84 and 348,927,769.29

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Solution

The fourth proportional to 611,809,266.15, 917,060,518.84 and 348,927,769.29 is: 523,019,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,809,266.15 : 917,060,518.84 = 348,927,769.29 : x
  2. Step 2: Convert to fraction form
    611,809,266.15/917,060,518.84 = 348,927,769.29/x
  3. Step 3: Cross multiply
    611,809,266.15x = 917,060,518.84 × 348,927,769.29
  4. Step 4: Simplify right side
    611,809,266.15x = 319,987,881,145,337,856
  5. Step 5: Solve for x
    x = 319,987,881,145,337,856/611,809,266.15
  6. Step 6: Final answer
    x = 523,019,017.28

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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.