Home / 1,020,175,829.82-1,528,669,421.64-709,889,684.04

Finding the Fourth Proportional to 1,020,175,829.82, 1,528,669,421.64 and 709,889,684.04

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Solution

The fourth proportional to 1,020,175,829.82, 1,528,669,421.64 and 709,889,684.04 is: 1,063,725,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,175,829.82 : 1,528,669,421.64 = 709,889,684.04 : x
  2. Step 2: Convert to fraction form
    1,020,175,829.82/1,528,669,421.64 = 709,889,684.04/x
  3. Step 3: Cross multiply
    1,020,175,829.82x = 1,528,669,421.64 × 709,889,684.04
  4. Step 4: Simplify right side
    1,020,175,829.82x = 1,085,186,652,729,629,184
  5. Step 5: Solve for x
    x = 1,085,186,652,729,629,184/1,020,175,829.82
  6. Step 6: Final answer
    x = 1,063,725,115.82

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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.