Home / 816,855,386.96-1,127,267,628.40-445,579,069.52

Finding the Fourth Proportional to 816,855,386.96, 1,127,267,628.40 and 445,579,069.52

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Solution

The fourth proportional to 816,855,386.96, 1,127,267,628.40 and 445,579,069.52 is: 614,903,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,855,386.96 : 1,127,267,628.40 = 445,579,069.52 : x
  2. Step 2: Convert to fraction form
    816,855,386.96/1,127,267,628.40 = 445,579,069.52/x
  3. Step 3: Cross multiply
    816,855,386.96x = 1,127,267,628.40 × 445,579,069.52
  4. Step 4: Simplify right side
    816,855,386.96x = 502,286,860,962,489,152
  5. Step 5: Solve for x
    x = 502,286,860,962,489,152/816,855,386.96
  6. Step 6: Final answer
    x = 614,903,040.34

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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.