Home / 797,917,485.60-1,196,876,228.40-688,865,792.40

Finding the Fourth Proportional to 797,917,485.60, 1,196,876,228.40 and 688,865,792.40

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Solution

The fourth proportional to 797,917,485.60, 1,196,876,228.40 and 688,865,792.40 is: 1,033,298,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,917,485.60 : 1,196,876,228.40 = 688,865,792.40 : x
  2. Step 2: Convert to fraction form
    797,917,485.60/1,196,876,228.40 = 688,865,792.40/x
  3. Step 3: Cross multiply
    797,917,485.60x = 1,196,876,228.40 × 688,865,792.40
  4. Step 4: Simplify right side
    797,917,485.60x = 824,487,091,481,489,408
  5. Step 5: Solve for x
    x = 824,487,091,481,489,408/797,917,485.60
  6. Step 6: Final answer
    x = 1,033,298,688.60

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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.