Home / 902,073,069.90-1,353,109,604.85-442,908,045.90

Finding the Fourth Proportional to 902,073,069.90, 1,353,109,604.85 and 442,908,045.90

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Solution

The fourth proportional to 902,073,069.90, 1,353,109,604.85 and 442,908,045.90 is: 664,362,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,073,069.90 : 1,353,109,604.85 = 442,908,045.90 : x
  2. Step 2: Convert to fraction form
    902,073,069.90/1,353,109,604.85 = 442,908,045.90/x
  3. Step 3: Cross multiply
    902,073,069.90x = 1,353,109,604.85 × 442,908,045.90
  4. Step 4: Simplify right side
    902,073,069.90x = 599,303,130,972,634,624
  5. Step 5: Solve for x
    x = 599,303,130,972,634,624/902,073,069.90
  6. Step 6: Final answer
    x = 664,362,068.85

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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.