Home / 2,201,739,312.40-3,038,400,751.92-1,211,664,729.52

Finding the Fourth Proportional to 2,201,739,312.40, 3,038,400,751.92 and 1,211,664,729.52

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Solution

The fourth proportional to 2,201,739,312.40, 3,038,400,751.92 and 1,211,664,729.52 is: 1,672,097,602.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,739,312.40 : 3,038,400,751.92 = 1,211,664,729.52 : x
  2. Step 2: Convert to fraction form
    2,201,739,312.40/3,038,400,751.92 = 1,211,664,729.52/x
  3. Step 3: Cross multiply
    2,201,739,312.40x = 3,038,400,751.92 × 1,211,664,729.52
  4. Step 4: Simplify right side
    2,201,739,312.40x = 3,681,523,025,248,511,488
  5. Step 5: Solve for x
    x = 3,681,523,025,248,511,488/2,201,739,312.40
  6. Step 6: Final answer
    x = 1,672,097,602.34

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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.