Home / 797,136,980.40-1,196,209,355.40-469,611,860.40

Finding the Fourth Proportional to 797,136,980.40, 1,196,209,355.40 and 469,611,860.40

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Solution

The fourth proportional to 797,136,980.40, 1,196,209,355.40 and 469,611,860.40 is: 704,714,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,136,980.40 : 1,196,209,355.40 = 469,611,860.40 : x
  2. Step 2: Convert to fraction form
    797,136,980.40/1,196,209,355.40 = 469,611,860.40/x
  3. Step 3: Cross multiply
    797,136,980.40x = 1,196,209,355.40 × 469,611,860.40
  4. Step 4: Simplify right side
    797,136,980.40x = 561,754,100,817,278,784
  5. Step 5: Solve for x
    x = 561,754,100,817,278,784/797,136,980.40
  6. Step 6: Final answer
    x = 704,714,640.81

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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.