Home / 528,875,841.20-793,313,761.80-313,884,993.20

Finding the Fourth Proportional to 528,875,841.20, 793,313,761.80 and 313,884,993.20

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Solution

The fourth proportional to 528,875,841.20, 793,313,761.80 and 313,884,993.20 is: 470,827,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,875,841.20 : 793,313,761.80 = 313,884,993.20 : x
  2. Step 2: Convert to fraction form
    528,875,841.20/793,313,761.80 = 313,884,993.20/x
  3. Step 3: Cross multiply
    528,875,841.20x = 793,313,761.80 × 313,884,993.20
  4. Step 4: Simplify right side
    528,875,841.20x = 249,009,284,728,059,392
  5. Step 5: Solve for x
    x = 249,009,284,728,059,392/528,875,841.20
  6. Step 6: Final answer
    x = 470,827,489.80

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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.