Home / 528,058,346.90-792,087,520.35-482,671,390.10

Finding the Fourth Proportional to 528,058,346.90, 792,087,520.35 and 482,671,390.10

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Solution

The fourth proportional to 528,058,346.90, 792,087,520.35 and 482,671,390.10 is: 724,007,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,058,346.90 : 792,087,520.35 = 482,671,390.10 : x
  2. Step 2: Convert to fraction form
    528,058,346.90/792,087,520.35 = 482,671,390.10/x
  3. Step 3: Cross multiply
    528,058,346.90x = 792,087,520.35 × 482,671,390.10
  4. Step 4: Simplify right side
    528,058,346.90x = 382,317,984,528,196,544
  5. Step 5: Solve for x
    x = 382,317,984,528,196,544/528,058,346.90
  6. Step 6: Final answer
    x = 724,007,085.15

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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.