Home / 1,069,698,911.45-1,475,963,443.60-617,569,043.93

Finding the Fourth Proportional to 1,069,698,911.45, 1,475,963,443.60 and 617,569,043.93

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Solution

The fourth proportional to 1,069,698,911.45, 1,475,963,443.60 and 617,569,043.93 is: 852,117,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,698,911.45 : 1,475,963,443.60 = 617,569,043.93 : x
  2. Step 2: Convert to fraction form
    1,069,698,911.45/1,475,963,443.60 = 617,569,043.93/x
  3. Step 3: Cross multiply
    1,069,698,911.45x = 1,475,963,443.60 × 617,569,043.93
  4. Step 4: Simplify right side
    1,069,698,911.45x = 911,509,332,741,828,480
  5. Step 5: Solve for x
    x = 911,509,332,741,828,480/1,069,698,911.45
  6. Step 6: Final answer
    x = 852,117,659.45

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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.