Home / 578,084,130.40-867,126,195.60-189,966,863.20

Finding the Fourth Proportional to 578,084,130.40, 867,126,195.60 and 189,966,863.20

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Solution

The fourth proportional to 578,084,130.40, 867,126,195.60 and 189,966,863.20 is: 284,950,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,084,130.40 : 867,126,195.60 = 189,966,863.20 : x
  2. Step 2: Convert to fraction form
    578,084,130.40/867,126,195.60 = 189,966,863.20/x
  3. Step 3: Cross multiply
    578,084,130.40x = 867,126,195.60 × 189,966,863.20
  4. Step 4: Simplify right side
    578,084,130.40x = 164,725,243,376,681,632
  5. Step 5: Solve for x
    x = 164,725,243,376,681,632/578,084,130.40
  6. Step 6: Final answer
    x = 284,950,294.80

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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.