Home / 8,168,812,675.30-12,253,219,012.95-7,006,551,208.30

Finding the Fourth Proportional to 8,168,812,675.30, 12,253,219,012.95 and 7,006,551,208.30

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Solution

The fourth proportional to 8,168,812,675.30, 12,253,219,012.95 and 7,006,551,208.30 is: 10,509,826,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,812,675.30 : 12,253,219,012.95 = 7,006,551,208.30 : x
  2. Step 2: Convert to fraction form
    8,168,812,675.30/12,253,219,012.95 = 7,006,551,208.30/x
  3. Step 3: Cross multiply
    8,168,812,675.30x = 12,253,219,012.95 × 7,006,551,208.30
  4. Step 4: Simplify right side
    8,168,812,675.30x = 85,852,806,480,749,363,200
  5. Step 5: Solve for x
    x = 85,852,806,480,749,363,200/8,168,812,675.30
  6. Step 6: Final answer
    x = 10,509,826,812.45

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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.