Home / 792,804,953.40-1,189,207,430.10-218,376,281.40

Finding the Fourth Proportional to 792,804,953.40, 1,189,207,430.10 and 218,376,281.40

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Solution

The fourth proportional to 792,804,953.40, 1,189,207,430.10 and 218,376,281.40 is: 327,564,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,804,953.40 : 1,189,207,430.10 = 218,376,281.40 : x
  2. Step 2: Convert to fraction form
    792,804,953.40/1,189,207,430.10 = 218,376,281.40/x
  3. Step 3: Cross multiply
    792,804,953.40x = 1,189,207,430.10 × 218,376,281.40
  4. Step 4: Simplify right side
    792,804,953.40x = 259,694,696,398,488,416
  5. Step 5: Solve for x
    x = 259,694,696,398,488,416/792,804,953.40
  6. Step 6: Final answer
    x = 327,564,422.10

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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.