Home / 749,661,900,938.75-1,124,138,373,431.40-290,411,671,335.35

Finding the Fourth Proportional to 749,661,900,938.75, 1,124,138,373,431.40 and 290,411,671,335.35

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Solution

The fourth proportional to 749,661,900,938.75, 1,124,138,373,431.40 and 290,411,671,335.35 is: 435,480,185,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,661,900,938.75 : 1,124,138,373,431.40 = 290,411,671,335.35 : x
  2. Step 2: Convert to fraction form
    749,661,900,938.75/1,124,138,373,431.40 = 290,411,671,335.35/x
  3. Step 3: Cross multiply
    749,661,900,938.75x = 1,124,138,373,431.40 × 290,411,671,335.35
  4. Step 4: Simplify right side
    749,661,900,938.75x = 326,462,903,840,414,598,430,720
  5. Step 5: Solve for x
    x = 326,462,903,840,414,598,430,720/749,661,900,938.75
  6. Step 6: Final answer
    x = 435,480,185,709.86

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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.