Home / 561,018,380,965.96-841,515,781,428.28-136,549,014,091.94

Finding the Fourth Proportional to 561,018,380,965.96, 841,515,781,428.28 and 136,549,014,091.94

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Solution

The fourth proportional to 561,018,380,965.96, 841,515,781,428.28 and 136,549,014,091.94 is: 204,820,651,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,018,380,965.96 : 841,515,781,428.28 = 136,549,014,091.94 : x
  2. Step 2: Convert to fraction form
    561,018,380,965.96/841,515,781,428.28 = 136,549,014,091.94/x
  3. Step 3: Cross multiply
    561,018,380,965.96x = 841,515,781,428.28 × 136,549,014,091.94
  4. Step 4: Simplify right side
    561,018,380,965.96x = 114,908,150,296,840,117,420,032
  5. Step 5: Solve for x
    x = 114,908,150,296,840,117,420,032/561,018,380,965.96
  6. Step 6: Final answer
    x = 204,820,651,506.98

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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.