Home / 1,069,698,914.70-1,475,963,448.08-617,569,047.18

Finding the Fourth Proportional to 1,069,698,914.70, 1,475,963,448.08 and 617,569,047.18

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Solution

The fourth proportional to 1,069,698,914.70, 1,475,963,448.08 and 617,569,047.18 is: 852,117,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,698,914.70 : 1,475,963,448.08 = 617,569,047.18 : x
  2. Step 2: Convert to fraction form
    1,069,698,914.70/1,475,963,448.08 = 617,569,047.18/x
  3. Step 3: Cross multiply
    1,069,698,914.70x = 1,475,963,448.08 × 617,569,047.18
  4. Step 4: Simplify right side
    1,069,698,914.70x = 911,509,340,303,272,832
  5. Step 5: Solve for x
    x = 911,509,340,303,272,832/1,069,698,914.70
  6. Step 6: Final answer
    x = 852,117,663.93

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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.