Home / 648,483,525.59-972,826,065.32-217,762,798.55

Finding the Fourth Proportional to 648,483,525.59, 972,826,065.32 and 217,762,798.55

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Solution

The fourth proportional to 648,483,525.59, 972,826,065.32 and 217,762,798.55 is: 326,678,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,483,525.59 : 972,826,065.32 = 217,762,798.55 : x
  2. Step 2: Convert to fraction form
    648,483,525.59/972,826,065.32 = 217,762,798.55/x
  3. Step 3: Cross multiply
    648,483,525.59x = 972,826,065.32 × 217,762,798.55
  4. Step 4: Simplify right side
    648,483,525.59x = 211,845,326,480,515,360
  5. Step 5: Solve for x
    x = 211,845,326,480,515,360/648,483,525.59
  6. Step 6: Final answer
    x = 326,678,039.03

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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.