Home / 15,710,156,186.99-21,680,475,163.40-8,574,027,700.91

Finding the Fourth Proportional to 15,710,156,186.99, 21,680,475,163.40 and 8,574,027,700.91

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Solution

The fourth proportional to 15,710,156,186.99, 21,680,475,163.40 and 8,574,027,700.91 is: 11,832,409,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,710,156,186.99 : 21,680,475,163.40 = 8,574,027,700.91 : x
  2. Step 2: Convert to fraction form
    15,710,156,186.99/21,680,475,163.40 = 8,574,027,700.91/x
  3. Step 3: Cross multiply
    15,710,156,186.99x = 21,680,475,163.40 × 8,574,027,700.91
  4. Step 4: Simplify right side
    15,710,156,186.99x = 185,888,994,619,800,158,208
  5. Step 5: Solve for x
    x = 185,888,994,619,800,158,208/15,710,156,186.99
  6. Step 6: Final answer
    x = 11,832,409,073.93

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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.