Home / 357,038,527.40-492,686,127.81-200,375,377.64

Finding the Fourth Proportional to 357,038,527.40, 492,686,127.81 and 200,375,377.64

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Solution

The fourth proportional to 357,038,527.40, 492,686,127.81 and 200,375,377.64 is: 276,502,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,038,527.40 : 492,686,127.81 = 200,375,377.64 : x
  2. Step 2: Convert to fraction form
    357,038,527.40/492,686,127.81 = 200,375,377.64/x
  3. Step 3: Cross multiply
    357,038,527.40x = 492,686,127.81 × 200,375,377.64
  4. Step 4: Simplify right side
    357,038,527.40x = 98,722,168,915,454,624
  5. Step 5: Solve for x
    x = 98,722,168,915,454,624/357,038,527.40
  6. Step 6: Final answer
    x = 276,502,845.89

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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.