Home / 559,249,244.59-771,770,009.54-308,354,121.91

Finding the Fourth Proportional to 559,249,244.59, 771,770,009.54 and 308,354,121.91

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Solution

The fourth proportional to 559,249,244.59, 771,770,009.54 and 308,354,121.91 is: 425,532,025.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,249,244.59 : 771,770,009.54 = 308,354,121.91 : x
  2. Step 2: Convert to fraction form
    559,249,244.59/771,770,009.54 = 308,354,121.91/x
  3. Step 3: Cross multiply
    559,249,244.59x = 771,770,009.54 × 308,354,121.91
  4. Step 4: Simplify right side
    559,249,244.59x = 237,978,463,608,179,040
  5. Step 5: Solve for x
    x = 237,978,463,608,179,040/559,249,244.59
  6. Step 6: Final answer
    x = 425,532,025.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.