Home / 1,730,409,407.88-2,595,614,141.80-420,302,632.40

Finding the Fourth Proportional to 1,730,409,407.88, 2,595,614,141.80 and 420,302,632.40

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Solution

The fourth proportional to 1,730,409,407.88, 2,595,614,141.80 and 420,302,632.40 is: 630,453,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730,409,407.88 : 2,595,614,141.80 = 420,302,632.40 : x
  2. Step 2: Convert to fraction form
    1,730,409,407.88/2,595,614,141.80 = 420,302,632.40/x
  3. Step 3: Cross multiply
    1,730,409,407.88x = 2,595,614,141.80 × 420,302,632.40
  4. Step 4: Simplify right side
    1,730,409,407.88x = 1,090,943,456,493,206,912
  5. Step 5: Solve for x
    x = 1,090,943,456,493,206,912/1,730,409,407.88
  6. Step 6: Final answer
    x = 630,453,955.88

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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.