Home / 611,869,878.73-917,803,671.06-191,723,416.82

Finding the Fourth Proportional to 611,869,878.73, 917,803,671.06 and 191,723,416.82

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Solution

The fourth proportional to 611,869,878.73, 917,803,671.06 and 191,723,416.82 is: 287,584,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,869,878.73 : 917,803,671.06 = 191,723,416.82 : x
  2. Step 2: Convert to fraction form
    611,869,878.73/917,803,671.06 = 191,723,416.82/x
  3. Step 3: Cross multiply
    611,869,878.73x = 917,803,671.06 × 191,723,416.82
  4. Step 4: Simplify right side
    611,869,878.73x = 175,964,455,785,562,528
  5. Step 5: Solve for x
    x = 175,964,455,785,562,528/611,869,878.73
  6. Step 6: Final answer
    x = 287,584,765.82

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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.