Home / 12,103,063,407.48-18,160,111,294.24-6,211,759,767.78

Finding the Fourth Proportional to 12,103,063,407.48, 18,160,111,294.24 and 6,211,759,767.78

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Solution

The fourth proportional to 12,103,063,407.48, 18,160,111,294.24 and 6,211,759,767.78 is: 9,320,470,769.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,063,407.48 : 18,160,111,294.24 = 6,211,759,767.78 : x
  2. Step 2: Convert to fraction form
    12,103,063,407.48/18,160,111,294.24 = 6,211,759,767.78/x
  3. Step 3: Cross multiply
    12,103,063,407.48x = 18,160,111,294.24 × 6,211,759,767.78
  4. Step 4: Simplify right side
    12,103,063,407.48x = 112,806,248,715,967,217,664
  5. Step 5: Solve for x
    x = 112,806,248,715,967,217,664/12,103,063,407.48
  6. Step 6: Final answer
    x = 9,320,470,769.93

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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.