Home / 830,716,588.89-1,146,741,875.78-517,605,502.02

Finding the Fourth Proportional to 830,716,588.89, 1,146,741,875.78 and 517,605,502.02

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Solution

The fourth proportional to 830,716,588.89, 1,146,741,875.78 and 517,605,502.02 is: 714,515,530.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,716,588.89 : 1,146,741,875.78 = 517,605,502.02 : x
  2. Step 2: Convert to fraction form
    830,716,588.89/1,146,741,875.78 = 517,605,502.02/x
  3. Step 3: Cross multiply
    830,716,588.89x = 1,146,741,875.78 × 517,605,502.02
  4. Step 4: Simplify right side
    830,716,588.89x = 593,559,904,297,457,152
  5. Step 5: Solve for x
    x = 593,559,904,297,457,152/830,716,588.89
  6. Step 6: Final answer
    x = 714,515,530.61

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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.