Home / 749,661,900,965.78-1,124,138,373,471.70-290,411,671,362.40

Finding the Fourth Proportional to 749,661,900,965.78, 1,124,138,373,471.70 and 290,411,671,362.40

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Solution

The fourth proportional to 749,661,900,965.78, 1,124,138,373,471.70 and 290,411,671,362.40 is: 435,480,185,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,661,900,965.78 : 1,124,138,373,471.70 = 290,411,671,362.40 : x
  2. Step 2: Convert to fraction form
    749,661,900,965.78/1,124,138,373,471.70 = 290,411,671,362.40/x
  3. Step 3: Cross multiply
    749,661,900,965.78x = 1,124,138,373,471.70 × 290,411,671,362.40
  4. Step 4: Simplify right side
    749,661,900,965.78x = 326,462,903,882,526,215,897,088
  5. Step 5: Solve for x
    x = 326,462,903,882,526,215,897,088/749,661,900,965.78
  6. Step 6: Final answer
    x = 435,480,185,750.33

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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.