Home / 12,761,102,288.79-17,611,865,386.82-7,262,953,645.28

Finding the Fourth Proportional to 12,761,102,288.79, 17,611,865,386.82 and 7,262,953,645.28

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Solution

The fourth proportional to 12,761,102,288.79, 17,611,865,386.82 and 7,262,953,645.28 is: 10,023,754,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,761,102,288.79 : 17,611,865,386.82 = 7,262,953,645.28 : x
  2. Step 2: Convert to fraction form
    12,761,102,288.79/17,611,865,386.82 = 7,262,953,645.28/x
  3. Step 3: Cross multiply
    12,761,102,288.79x = 17,611,865,386.82 × 7,262,953,645.28
  4. Step 4: Simplify right side
    12,761,102,288.79x = 127,914,161,911,450,812,416
  5. Step 5: Solve for x
    x = 127,914,161,911,450,812,416/12,761,102,288.79
  6. Step 6: Final answer
    x = 10,023,754,924.67

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Double scale
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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.