Home / 528,408,045.90-792,612,068.85-164,855,162.70

Finding the Fourth Proportional to 528,408,045.90, 792,612,068.85 and 164,855,162.70

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Solution

The fourth proportional to 528,408,045.90, 792,612,068.85 and 164,855,162.70 is: 247,282,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,408,045.90 : 792,612,068.85 = 164,855,162.70 : x
  2. Step 2: Convert to fraction form
    528,408,045.90/792,612,068.85 = 164,855,162.70/x
  3. Step 3: Cross multiply
    528,408,045.90x = 792,612,068.85 × 164,855,162.70
  4. Step 4: Simplify right side
    528,408,045.90x = 130,666,191,568,250,352
  5. Step 5: Solve for x
    x = 130,666,191,568,250,352/528,408,045.90
  6. Step 6: Final answer
    x = 247,282,744.05

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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.