Home / 1,069,698,915.70-1,475,963,449.46-617,569,048.18

Finding the Fourth Proportional to 1,069,698,915.70, 1,475,963,449.46 and 617,569,048.18

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Solution

The fourth proportional to 1,069,698,915.70, 1,475,963,449.46 and 617,569,048.18 is: 852,117,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,698,915.70 : 1,475,963,449.46 = 617,569,048.18 : x
  2. Step 2: Convert to fraction form
    1,069,698,915.70/1,475,963,449.46 = 617,569,048.18/x
  3. Step 3: Cross multiply
    1,069,698,915.70x = 1,475,963,449.46 × 617,569,048.18
  4. Step 4: Simplify right side
    1,069,698,915.70x = 911,509,342,631,481,728
  5. Step 5: Solve for x
    x = 911,509,342,631,481,728/1,069,698,915.70
  6. Step 6: Final answer
    x = 852,117,665.31

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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.