Home / 762,929,265.65-1,142,725,417.47-540,927,677.25

Finding the Fourth Proportional to 762,929,265.65, 1,142,725,417.47 and 540,927,677.25

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Solution

The fourth proportional to 762,929,265.65, 1,142,725,417.47 and 540,927,677.25 is: 810,208,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,929,265.65 : 1,142,725,417.47 = 540,927,677.25 : x
  2. Step 2: Convert to fraction form
    762,929,265.65/1,142,725,417.47 = 540,927,677.25/x
  3. Step 3: Cross multiply
    762,929,265.65x = 1,142,725,417.47 × 540,927,677.25
  4. Step 4: Simplify right side
    762,929,265.65x = 618,131,805,801,112,192
  5. Step 5: Solve for x
    x = 618,131,805,801,112,192/762,929,265.65
  6. Step 6: Final answer
    x = 810,208,539.16

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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.