Home / 528,768,000.80-793,152,001.20-469,813,479.20

Finding the Fourth Proportional to 528,768,000.80, 793,152,001.20 and 469,813,479.20

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Solution

The fourth proportional to 528,768,000.80, 793,152,001.20 and 469,813,479.20 is: 704,720,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,000.80 : 793,152,001.20 = 469,813,479.20 : x
  2. Step 2: Convert to fraction form
    528,768,000.80/793,152,001.20 = 469,813,479.20/x
  3. Step 3: Cross multiply
    528,768,000.80x = 793,152,001.20 × 469,813,479.20
  4. Step 4: Simplify right side
    528,768,000.80x = 372,633,501,218,214,592
  5. Step 5: Solve for x
    x = 372,633,501,218,214,592/528,768,000.80
  6. Step 6: Final answer
    x = 704,720,218.80

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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.