Home / 385,157,955,877.40-577,641,463,138.71-130,181,670,858.17

Finding the Fourth Proportional to 385,157,955,877.40, 577,641,463,138.71 and 130,181,670,858.17

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Solution

The fourth proportional to 385,157,955,877.40, 577,641,463,138.71 and 130,181,670,858.17 is: 195,240,237,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,157,955,877.40 : 577,641,463,138.71 = 130,181,670,858.17 : x
  2. Step 2: Convert to fraction form
    385,157,955,877.40/577,641,463,138.71 = 130,181,670,858.17/x
  3. Step 3: Cross multiply
    385,157,955,877.40x = 577,641,463,138.71 × 130,181,670,858.17
  4. Step 4: Simplify right side
    385,157,955,877.40x = 75,198,330,828,355,274,801,152
  5. Step 5: Solve for x
    x = 75,198,330,828,355,274,801,152/385,157,955,877.40
  6. Step 6: Final answer
    x = 195,240,237,624.20

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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.