Home / 839,881,315,369.02-1,259,679,877,899.70-235,367,391,128.18

Finding the Fourth Proportional to 839,881,315,369.02, 1,259,679,877,899.70 and 235,367,391,128.18

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Solution

The fourth proportional to 839,881,315,369.02, 1,259,679,877,899.70 and 235,367,391,128.18 is: 353,011,266,106.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,881,315,369.02 : 1,259,679,877,899.70 = 235,367,391,128.18 : x
  2. Step 2: Convert to fraction form
    839,881,315,369.02/1,259,679,877,899.70 = 235,367,391,128.18/x
  3. Step 3: Cross multiply
    839,881,315,369.02x = 1,259,679,877,899.70 × 235,367,391,128.18
  4. Step 4: Simplify right side
    839,881,315,369.02x = 296,487,566,517,916,699,459,584
  5. Step 5: Solve for x
    x = 296,487,566,517,916,699,459,584/839,881,315,369.02
  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.