Home / 357,038,641.64-492,696,740.40-198,278,844.68

Finding the Fourth Proportional to 357,038,641.64, 492,696,740.40 and 198,278,844.68

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Solution

The fourth proportional to 357,038,641.64, 492,696,740.40 and 198,278,844.68 is: 273,615,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,038,641.64 : 492,696,740.40 = 198,278,844.68 : x
  2. Step 2: Convert to fraction form
    357,038,641.64/492,696,740.40 = 198,278,844.68/x
  3. Step 3: Cross multiply
    357,038,641.64x = 492,696,740.40 × 198,278,844.68
  4. Step 4: Simplify right side
    357,038,641.64x = 97,691,340,464,113,872
  5. Step 5: Solve for x
    x = 97,691,340,464,113,872/357,038,641.64
  6. Step 6: Final answer
    x = 273,615,595.26

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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.