Home / 847,895,997.20-1,169,284,431.35-561,333,903.58

Finding the Fourth Proportional to 847,895,997.20, 1,169,284,431.35 and 561,333,903.58

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Solution

The fourth proportional to 847,895,997.20, 1,169,284,431.35 and 561,333,903.58 is: 774,103,187.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,895,997.20 : 1,169,284,431.35 = 561,333,903.58 : x
  2. Step 2: Convert to fraction form
    847,895,997.20/1,169,284,431.35 = 561,333,903.58/x
  3. Step 3: Cross multiply
    847,895,997.20x = 1,169,284,431.35 × 561,333,903.58
  4. Step 4: Simplify right side
    847,895,997.20x = 656,358,994,241,274,496
  5. Step 5: Solve for x
    x = 656,358,994,241,274,496/847,895,997.20
  6. Step 6: Final answer
    x = 774,103,187.66

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1.5x scale

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.