Home / 1,562,969,828.80-2,156,902,607.82-858,167,461

Finding the Fourth Proportional to 1,562,969,828.80, 2,156,902,607.82 and 858,167,461

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Solution

The fourth proportional to 1,562,969,828.80, 2,156,902,607.82 and 858,167,461 is: 1,184,273,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,969,828.80 : 2,156,902,607.82 = 858,167,461 : x
  2. Step 2: Convert to fraction form
    1,562,969,828.80/2,156,902,607.82 = 858,167,461/x
  3. Step 3: Cross multiply
    1,562,969,828.80x = 2,156,902,607.82 × 858,167,461
  4. Step 4: Simplify right side
    1,562,969,828.80x = 1,850,983,634,577,168,384
  5. Step 5: Solve for x
    x = 1,850,983,634,577,168,384/1,562,969,828.80
  6. Step 6: Final answer
    x = 1,184,273,426.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.