Home / 12,759,042,616.40-19,147,123,745.40-4,477,913,656.40

Finding the Fourth Proportional to 12,759,042,616.40, 19,147,123,745.40 and 4,477,913,656.40

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Solution

The fourth proportional to 12,759,042,616.40, 19,147,123,745.40 and 4,477,913,656.40 is: 6,719,874,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,759,042,616.40 : 19,147,123,745.40 = 4,477,913,656.40 : x
  2. Step 2: Convert to fraction form
    12,759,042,616.40/19,147,123,745.40 = 4,477,913,656.40/x
  3. Step 3: Cross multiply
    12,759,042,616.40x = 19,147,123,745.40 × 4,477,913,656.40
  4. Step 4: Simplify right side
    12,759,042,616.40x = 85,739,166,900,307,378,176
  5. Step 5: Solve for x
    x = 85,739,166,900,307,378,176/12,759,042,616.40
  6. Step 6: Final answer
    x = 6,719,874,639.35

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1.5x scale

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.