Home / 528,768,014.40-793,152,021.60-475,020,302.40

Finding the Fourth Proportional to 528,768,014.40, 793,152,021.60 and 475,020,302.40

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Solution

The fourth proportional to 528,768,014.40, 793,152,021.60 and 475,020,302.40 is: 712,530,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,014.40 : 793,152,021.60 = 475,020,302.40 : x
  2. Step 2: Convert to fraction form
    528,768,014.40/793,152,021.60 = 475,020,302.40/x
  3. Step 3: Cross multiply
    528,768,014.40x = 793,152,021.60 × 475,020,302.40
  4. Step 4: Simplify right side
    528,768,014.40x = 376,763,313,149,603,328
  5. Step 5: Solve for x
    x = 376,763,313,149,603,328/528,768,014.40
  6. Step 6: Final answer
    x = 712,530,453.60

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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.