Home / 1,071,102,372.21-1,605,920,083.61-545,453,968.41

Finding the Fourth Proportional to 1,071,102,372.21, 1,605,920,083.61 and 545,453,968.41

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Solution

The fourth proportional to 1,071,102,372.21, 1,605,920,083.61 and 545,453,968.41 is: 817,807,433.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,102,372.21 : 1,605,920,083.61 = 545,453,968.41 : x
  2. Step 2: Convert to fraction form
    1,071,102,372.21/1,605,920,083.61 = 545,453,968.41/x
  3. Step 3: Cross multiply
    1,071,102,372.21x = 1,605,920,083.61 × 545,453,968.41
  4. Step 4: Simplify right side
    1,071,102,372.21x = 875,955,482,551,666,176
  5. Step 5: Solve for x
    x = 875,955,482,551,666,176/1,071,102,372.21
  6. Step 6: Final answer
    x = 817,807,433.98

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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.