Home / 839,506,239,701.84-1,258,247,630,375.20-385,598,782,744.40

Finding the Fourth Proportional to 839,506,239,701.84, 1,258,247,630,375.20 and 385,598,782,744.40

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Solution

The fourth proportional to 839,506,239,701.84, 1,258,247,630,375.20 and 385,598,782,744.40 is: 577,933,470,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,506,239,701.84 : 1,258,247,630,375.20 = 385,598,782,744.40 : x
  2. Step 2: Convert to fraction form
    839,506,239,701.84/1,258,247,630,375.20 = 385,598,782,744.40/x
  3. Step 3: Cross multiply
    839,506,239,701.84x = 1,258,247,630,375.20 × 385,598,782,744.40
  4. Step 4: Simplify right side
    839,506,239,701.84x = 485,178,754,663,702,885,040,128
  5. Step 5: Solve for x
    x = 485,178,754,663,702,885,040,128/839,506,239,701.84
  6. Step 6: Final answer
    x = 577,933,470,555.29

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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.