Home / 367,926,295.89-507,735,955.87-209,156,427.25

Finding the Fourth Proportional to 367,926,295.89, 507,735,955.87 and 209,156,427.25

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Solution

The fourth proportional to 367,926,295.89, 507,735,955.87 and 209,156,427.25 is: 288,634,543.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,926,295.89 : 507,735,955.87 = 209,156,427.25 : x
  2. Step 2: Convert to fraction form
    367,926,295.89/507,735,955.87 = 209,156,427.25/x
  3. Step 3: Cross multiply
    367,926,295.89x = 507,735,955.87 × 209,156,427.25
  4. Step 4: Simplify right side
    367,926,295.89x = 106,196,238,516,132,864
  5. Step 5: Solve for x
    x = 106,196,238,516,132,864/367,926,295.89
  6. Step 6: Final answer
    x = 288,634,543.66

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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.