Home / 528,408,093.40-792,612,140.10-140,290,826.20

Finding the Fourth Proportional to 528,408,093.40, 792,612,140.10 and 140,290,826.20

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Solution

The fourth proportional to 528,408,093.40, 792,612,140.10 and 140,290,826.20 is: 210,436,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,093.40 : 792,612,140.10 = 140,290,826.20 : x
  2. Step 2: Convert to fraction form
    528,408,093.40/792,612,140.10 = 140,290,826.20/x
  3. Step 3: Cross multiply
    528,408,093.40x = 792,612,140.10 × 140,290,826.20
  4. Step 4: Simplify right side
    528,408,093.40x = 111,196,211,990,779,152
  5. Step 5: Solve for x
    x = 111,196,211,990,779,152/528,408,093.40
  6. Step 6: Final answer
    x = 210,436,239.30

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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.