Home / 528,840,282.60-793,260,423.90-399,845,773.80

Finding the Fourth Proportional to 528,840,282.60, 793,260,423.90 and 399,845,773.80

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Solution

The fourth proportional to 528,840,282.60, 793,260,423.90 and 399,845,773.80 is: 599,768,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,840,282.60 : 793,260,423.90 = 399,845,773.80 : x
  2. Step 2: Convert to fraction form
    528,840,282.60/793,260,423.90 = 399,845,773.80/x
  3. Step 3: Cross multiply
    528,840,282.60x = 793,260,423.90 × 399,845,773.80
  4. Step 4: Simplify right side
    528,840,282.60x = 317,181,828,019,211,520
  5. Step 5: Solve for x
    x = 317,181,828,019,211,520/528,840,282.60
  6. Step 6: Final answer
    x = 599,768,660.70

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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.