Home / 889,792,830.72-1,333,754,948.69-299,378,094.04

Finding the Fourth Proportional to 889,792,830.72, 1,333,754,948.69 and 299,378,094.04

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Solution

The fourth proportional to 889,792,830.72, 1,333,754,948.69 and 299,378,094.04 is: 448,752,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,792,830.72 : 1,333,754,948.69 = 299,378,094.04 : x
  2. Step 2: Convert to fraction form
    889,792,830.72/1,333,754,948.69 = 299,378,094.04/x
  3. Step 3: Cross multiply
    889,792,830.72x = 1,333,754,948.69 × 299,378,094.04
  4. Step 4: Simplify right side
    889,792,830.72x = 399,297,014,459,960,128
  5. Step 5: Solve for x
    x = 399,297,014,459,960,128/889,792,830.72
  6. Step 6: Final answer
    x = 448,752,789.05

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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.