Home / 12,371,205,424.56-17,072,825,667.84-7,290,783,779.28

Finding the Fourth Proportional to 12,371,205,424.56, 17,072,825,667.84 and 7,290,783,779.28

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Solution

The fourth proportional to 12,371,205,424.56, 17,072,825,667.84 and 7,290,783,779.28 is: 10,061,612,928.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371,205,424.56 : 17,072,825,667.84 = 7,290,783,779.28 : x
  2. Step 2: Convert to fraction form
    12,371,205,424.56/17,072,825,667.84 = 7,290,783,779.28/x
  3. Step 3: Cross multiply
    12,371,205,424.56x = 17,072,825,667.84 × 7,290,783,779.28
  4. Step 4: Simplify right side
    12,371,205,424.56x = 124,474,280,445,563,109,376
  5. Step 5: Solve for x
    x = 124,474,280,445,563,109,376/12,371,205,424.56
  6. Step 6: Final answer
    x = 10,061,612,928.88

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1.5x scale

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.