Home / 839,881,315,369.05-1,259,679,877,899.80-235,367,391,128.17

Finding the Fourth Proportional to 839,881,315,369.05, 1,259,679,877,899.80 and 235,367,391,128.17

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Solution

The fourth proportional to 839,881,315,369.05, 1,259,679,877,899.80 and 235,367,391,128.17 is: 353,011,266,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,881,315,369.05 : 1,259,679,877,899.80 = 235,367,391,128.17 : x
  2. Step 2: Convert to fraction form
    839,881,315,369.05/1,259,679,877,899.80 = 235,367,391,128.17/x
  3. Step 3: Cross multiply
    839,881,315,369.05x = 1,259,679,877,899.80 × 235,367,391,128.17
  4. Step 4: Simplify right side
    839,881,315,369.05x = 296,487,566,517,927,671,758,848
  5. Step 5: Solve for x
    x = 296,487,566,517,927,671,758,848/839,881,315,369.05
  6. Step 6: Final answer
    x = 353,011,266,106.87

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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.