Home / 913,839,670,052.32-1,261,081,779,167.20-502,299,350,939.40

Finding the Fourth Proportional to 913,839,670,052.32, 1,261,081,779,167.20 and 502,299,350,939.40

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Solution

The fourth proportional to 913,839,670,052.32, 1,261,081,779,167.20 and 502,299,350,939.40 is: 693,163,779,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,839,670,052.32 : 1,261,081,779,167.20 = 502,299,350,939.40 : x
  2. Step 2: Convert to fraction form
    913,839,670,052.32/1,261,081,779,167.20 = 502,299,350,939.40/x
  3. Step 3: Cross multiply
    913,839,670,052.32x = 1,261,081,779,167.20 × 502,299,350,939.40
  4. Step 4: Simplify right side
    913,839,670,052.32x = 633,440,559,157,188,371,677,184
  5. Step 5: Solve for x
    x = 633,440,559,157,188,371,677,184/913,839,670,052.32
  6. Step 6: Final answer
    x = 693,163,779,069.61

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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.