Home / 12,501,675,167.40-17,251,678,165.86-7,421,256,263.16

Finding the Fourth Proportional to 12,501,675,167.40, 17,251,678,165.86 and 7,421,256,263.16

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Solution

The fourth proportional to 12,501,675,167.40, 17,251,678,165.86 and 7,421,256,263.16 is: 10,240,957,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,675,167.40 : 17,251,678,165.86 = 7,421,256,263.16 : x
  2. Step 2: Convert to fraction form
    12,501,675,167.40/17,251,678,165.86 = 7,421,256,263.16/x
  3. Step 3: Cross multiply
    12,501,675,167.40x = 17,251,678,165.86 × 7,421,256,263.16
  4. Step 4: Simplify right side
    12,501,675,167.40x = 128,029,124,638,409,146,368
  5. Step 5: Solve for x
    x = 128,029,124,638,409,146,368/12,501,675,167.40
  6. Step 6: Final answer
    x = 10,240,957,545.61

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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.