Home / 1,918,585,538.30-2,878,152,833.64-590,725,929.27

Finding the Fourth Proportional to 1,918,585,538.30, 2,878,152,833.64 and 590,725,929.27

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Solution

The fourth proportional to 1,918,585,538.30, 2,878,152,833.64 and 590,725,929.27 is: 886,173,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,585,538.30 : 2,878,152,833.64 = 590,725,929.27 : x
  2. Step 2: Convert to fraction form
    1,918,585,538.30/2,878,152,833.64 = 590,725,929.27/x
  3. Step 3: Cross multiply
    1,918,585,538.30x = 2,878,152,833.64 × 590,725,929.27
  4. Step 4: Simplify right side
    1,918,585,538.30x = 1,700,199,507,233,072,640
  5. Step 5: Solve for x
    x = 1,700,199,507,233,072,640/1,918,585,538.30
  6. Step 6: Final answer
    x = 886,173,419.58

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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.