Home / 389,561,613.84-537,595,215.57-213,360,690.60

Finding the Fourth Proportional to 389,561,613.84, 537,595,215.57 and 213,360,690.60

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Solution

The fourth proportional to 389,561,613.84, 537,595,215.57 and 213,360,690.60 is: 294,437,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,561,613.84 : 537,595,215.57 = 213,360,690.60 : x
  2. Step 2: Convert to fraction form
    389,561,613.84/537,595,215.57 = 213,360,690.60/x
  3. Step 3: Cross multiply
    389,561,613.84x = 537,595,215.57 × 213,360,690.60
  4. Step 4: Simplify right side
    389,561,613.84x = 114,701,686,457,271,088
  5. Step 5: Solve for x
    x = 114,701,686,457,271,088/389,561,613.84
  6. Step 6: Final answer
    x = 294,437,856.25

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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.