Home / 1,218,172,218.59-1,827,042,331.79-554,030,675.91

Finding the Fourth Proportional to 1,218,172,218.59, 1,827,042,331.79 and 554,030,675.91

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Solution

The fourth proportional to 1,218,172,218.59, 1,827,042,331.79 and 554,030,675.91 is: 830,947,777.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,172,218.59 : 1,827,042,331.79 = 554,030,675.91 : x
  2. Step 2: Convert to fraction form
    1,218,172,218.59/1,827,042,331.79 = 554,030,675.91/x
  3. Step 3: Cross multiply
    1,218,172,218.59x = 1,827,042,331.79 × 554,030,675.91
  4. Step 4: Simplify right side
    1,218,172,218.59x = 1,012,237,498,003,927,552
  5. Step 5: Solve for x
    x = 1,012,237,498,003,927,552/1,218,172,218.59
  6. Step 6: Final answer
    x = 830,947,777.79

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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.