Home / 528,768,124.20-793,152,186.30-385,440,892.20

Finding the Fourth Proportional to 528,768,124.20, 793,152,186.30 and 385,440,892.20

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Solution

The fourth proportional to 528,768,124.20, 793,152,186.30 and 385,440,892.20 is: 578,161,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,124.20 : 793,152,186.30 = 385,440,892.20 : x
  2. Step 2: Convert to fraction form
    528,768,124.20/793,152,186.30 = 385,440,892.20/x
  3. Step 3: Cross multiply
    528,768,124.20x = 793,152,186.30 × 385,440,892.20
  4. Step 4: Simplify right side
    528,768,124.20x = 305,713,286,337,852,608
  5. Step 5: Solve for x
    x = 305,713,286,337,852,608/528,768,124.20
  6. Step 6: Final answer
    x = 578,161,338.30

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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.