Home / 648,041,188.50-894,011,854.23-379,980,195.18

Finding the Fourth Proportional to 648,041,188.50, 894,011,854.23 and 379,980,195.18

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Solution

The fourth proportional to 648,041,188.50, 894,011,854.23 and 379,980,195.18 is: 524,205,567.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,041,188.50 : 894,011,854.23 = 379,980,195.18 : x
  2. Step 2: Convert to fraction form
    648,041,188.50/894,011,854.23 = 379,980,195.18/x
  3. Step 3: Cross multiply
    648,041,188.50x = 894,011,854.23 × 379,980,195.18
  4. Step 4: Simplify right side
    648,041,188.50x = 339,706,798,863,549,120
  5. Step 5: Solve for x
    x = 339,706,798,863,549,120/648,041,188.50
  6. Step 6: Final answer
    x = 524,205,567.32

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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.