Home / 2,799,364,871.80-4,199,047,307.70-860,416,161.40

Finding the Fourth Proportional to 2,799,364,871.80, 4,199,047,307.70 and 860,416,161.40

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Solution

The fourth proportional to 2,799,364,871.80, 4,199,047,307.70 and 860,416,161.40 is: 1,290,624,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,364,871.80 : 4,199,047,307.70 = 860,416,161.40 : x
  2. Step 2: Convert to fraction form
    2,799,364,871.80/4,199,047,307.70 = 860,416,161.40/x
  3. Step 3: Cross multiply
    2,799,364,871.80x = 4,199,047,307.70 × 860,416,161.40
  4. Step 4: Simplify right side
    2,799,364,871.80x = 3,612,928,166,028,238,336
  5. Step 5: Solve for x
    x = 3,612,928,166,028,238,336/2,799,364,871.80
  6. Step 6: Final answer
    x = 1,290,624,242.10

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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.