Home / 7,921,152,021.45-11,881,728,032.18-7,921,152,021.45

Finding the Fourth Proportional to 7,921,152,021.45, 11,881,728,032.18 and 7,921,152,021.45

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Solution

The fourth proportional to 7,921,152,021.45, 11,881,728,032.18 and 7,921,152,021.45 is: 11,881,728,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,152,021.45 : 11,881,728,032.18 = 7,921,152,021.45 : x
  2. Step 2: Convert to fraction form
    7,921,152,021.45/11,881,728,032.18 = 7,921,152,021.45/x
  3. Step 3: Cross multiply
    7,921,152,021.45x = 11,881,728,032.18 × 7,921,152,021.45
  4. Step 4: Simplify right side
    7,921,152,021.45x = 94,116,974,020,382,130,176
  5. Step 5: Solve for x
    x = 94,116,974,020,382,130,176/7,921,152,021.45
  6. Step 6: Final answer
    x = 11,881,728,032.18

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Double scale
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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.