Home / 528,058,343.40-792,087,515.10-482,671,386.60

Finding the Fourth Proportional to 528,058,343.40, 792,087,515.10 and 482,671,386.60

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Solution

The fourth proportional to 528,058,343.40, 792,087,515.10 and 482,671,386.60 is: 724,007,079.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,058,343.40 : 792,087,515.10 = 482,671,386.60 : x
  2. Step 2: Convert to fraction form
    528,058,343.40/792,087,515.10 = 482,671,386.60/x
  3. Step 3: Cross multiply
    528,058,343.40x = 792,087,515.10 × 482,671,386.60
  4. Step 4: Simplify right side
    528,058,343.40x = 382,317,979,221,865,472
  5. Step 5: Solve for x
    x = 382,317,979,221,865,472/528,058,343.40
  6. Step 6: Final answer
    x = 724,007,079.90

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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.