Home / 779,335,394.12-1,168,993,336.86-189,130,522.40

Finding the Fourth Proportional to 779,335,394.12, 1,168,993,336.86 and 189,130,522.40

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Solution

The fourth proportional to 779,335,394.12, 1,168,993,336.86 and 189,130,522.40 is: 283,693,416.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,335,394.12 : 1,168,993,336.86 = 189,130,522.40 : x
  2. Step 2: Convert to fraction form
    779,335,394.12/1,168,993,336.86 = 189,130,522.40/x
  3. Step 3: Cross multiply
    779,335,394.12x = 1,168,993,336.86 × 189,130,522.40
  4. Step 4: Simplify right side
    779,335,394.12x = 221,092,320,482,450,976
  5. Step 5: Solve for x
    x = 221,092,320,482,450,976/779,335,394.12
  6. Step 6: Final answer
    x = 283,693,416.40

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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.