Home / 341,438,860.47-471,197,047.80-209,254,314.20

Finding the Fourth Proportional to 341,438,860.47, 471,197,047.80 and 209,254,314.20

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Solution

The fourth proportional to 341,438,860.47, 471,197,047.80 and 209,254,314.20 is: 288,777,952.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,438,860.47 : 471,197,047.80 = 209,254,314.20 : x
  2. Step 2: Convert to fraction form
    341,438,860.47/471,197,047.80 = 209,254,314.20/x
  3. Step 3: Cross multiply
    341,438,860.47x = 471,197,047.80 × 209,254,314.20
  4. Step 4: Simplify right side
    341,438,860.47x = 98,600,015,088,884,432
  5. Step 5: Solve for x
    x = 98,600,015,088,884,432/341,438,860.47
  6. Step 6: Final answer
    x = 288,777,952.67

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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.