Home / 707,881,805.42-1,061,865,270.18-216,599,331.39

Finding the Fourth Proportional to 707,881,805.42, 1,061,865,270.18 and 216,599,331.39

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Solution

The fourth proportional to 707,881,805.42, 1,061,865,270.18 and 216,599,331.39 is: 324,912,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,881,805.42 : 1,061,865,270.18 = 216,599,331.39 : x
  2. Step 2: Convert to fraction form
    707,881,805.42/1,061,865,270.18 = 216,599,331.39/x
  3. Step 3: Cross multiply
    707,881,805.42x = 1,061,865,270.18 × 216,599,331.39
  4. Step 4: Simplify right side
    707,881,805.42x = 229,999,307,547,249,664
  5. Step 5: Solve for x
    x = 229,999,307,547,249,664/707,881,805.42
  6. Step 6: Final answer
    x = 324,912,020.32

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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.