Home / 899,356,801.12-1,240,732,308.36-602,094,687.28

Finding the Fourth Proportional to 899,356,801.12, 1,240,732,308.36 and 602,094,687.28

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Solution

The fourth proportional to 899,356,801.12, 1,240,732,308.36 and 602,094,687.28 is: 830,636,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,356,801.12 : 1,240,732,308.36 = 602,094,687.28 : x
  2. Step 2: Convert to fraction form
    899,356,801.12/1,240,732,308.36 = 602,094,687.28/x
  3. Step 3: Cross multiply
    899,356,801.12x = 1,240,732,308.36 × 602,094,687.28
  4. Step 4: Simplify right side
    899,356,801.12x = 747,038,331,200,206,592
  5. Step 5: Solve for x
    x = 747,038,331,200,206,592/899,356,801.12
  6. Step 6: Final answer
    x = 830,636,217.21

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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.