Home / 528,848,400.60-793,272,600.90-525,447,178.20

Finding the Fourth Proportional to 528,848,400.60, 793,272,600.90 and 525,447,178.20

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Solution

The fourth proportional to 528,848,400.60, 793,272,600.90 and 525,447,178.20 is: 788,170,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,848,400.60 : 793,272,600.90 = 525,447,178.20 : x
  2. Step 2: Convert to fraction form
    528,848,400.60/793,272,600.90 = 525,447,178.20/x
  3. Step 3: Cross multiply
    528,848,400.60x = 793,272,600.90 × 525,447,178.20
  4. Step 4: Simplify right side
    528,848,400.60x = 416,822,849,686,279,744
  5. Step 5: Solve for x
    x = 416,822,849,686,279,744/528,848,400.60
  6. Step 6: Final answer
    x = 788,170,767.30

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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.