Home / 385,157,955,877.90-577,641,463,139.46-130,181,670,858.67

Finding the Fourth Proportional to 385,157,955,877.90, 577,641,463,139.46 and 130,181,670,858.67

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Solution

The fourth proportional to 385,157,955,877.90, 577,641,463,139.46 and 130,181,670,858.67 is: 195,240,237,624.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,157,955,877.90 : 577,641,463,139.46 = 130,181,670,858.67 : x
  2. Step 2: Convert to fraction form
    385,157,955,877.90/577,641,463,139.46 = 130,181,670,858.67/x
  3. Step 3: Cross multiply
    385,157,955,877.90x = 577,641,463,139.46 × 130,181,670,858.67
  4. Step 4: Simplify right side
    385,157,955,877.90x = 75,198,330,828,741,737,971,712
  5. Step 5: Solve for x
    x = 75,198,330,828,741,737,971,712/385,157,955,877.90
  6. Step 6: Final answer
    x = 195,240,237,624.95

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1.5x scale

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.