Home / 749,661,900,958.85-1,124,138,373,461.40-290,411,671,355.49

Finding the Fourth Proportional to 749,661,900,958.85, 1,124,138,373,461.40 and 290,411,671,355.49

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Solution

The fourth proportional to 749,661,900,958.85, 1,124,138,373,461.40 and 290,411,671,355.49 is: 435,480,185,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,661,900,958.85 : 1,124,138,373,461.40 = 290,411,671,355.49 : x
  2. Step 2: Convert to fraction form
    749,661,900,958.85/1,124,138,373,461.40 = 290,411,671,355.49/x
  3. Step 3: Cross multiply
    749,661,900,958.85x = 1,124,138,373,461.40 × 290,411,671,355.49
  4. Step 4: Simplify right side
    749,661,900,958.85x = 326,462,903,871,767,121,494,016
  5. Step 5: Solve for x
    x = 326,462,903,871,767,121,494,016/749,661,900,958.85
  6. Step 6: Final answer
    x = 435,480,185,740.01

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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.