Home / 1,078,530,398.88-1,616,365,386.99-553,878,284.28

Finding the Fourth Proportional to 1,078,530,398.88, 1,616,365,386.99 and 553,878,284.28

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Solution

The fourth proportional to 1,078,530,398.88, 1,616,365,386.99 and 553,878,284.28 is: 830,082,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,530,398.88 : 1,616,365,386.99 = 553,878,284.28 : x
  2. Step 2: Convert to fraction form
    1,078,530,398.88/1,616,365,386.99 = 553,878,284.28/x
  3. Step 3: Cross multiply
    1,078,530,398.88x = 1,616,365,386.99 × 553,878,284.28
  4. Step 4: Simplify right side
    1,078,530,398.88x = 895,269,687,315,599,360
  5. Step 5: Solve for x
    x = 895,269,687,315,599,360/1,078,530,398.88
  6. Step 6: Final answer
    x = 830,082,942.72

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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.