Home / 830,197,210.52-1,145,685,761.75-495,698,963.35

Finding the Fourth Proportional to 830,197,210.52, 1,145,685,761.75 and 495,698,963.35

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Solution

The fourth proportional to 830,197,210.52, 1,145,685,761.75 and 495,698,963.35 is: 684,072,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,197,210.52 : 1,145,685,761.75 = 495,698,963.35 : x
  2. Step 2: Convert to fraction form
    830,197,210.52/1,145,685,761.75 = 495,698,963.35/x
  3. Step 3: Cross multiply
    830,197,210.52x = 1,145,685,761.75 × 495,698,963.35
  4. Step 4: Simplify right side
    830,197,210.52x = 567,915,244,422,705,152
  5. Step 5: Solve for x
    x = 567,915,244,422,705,152/830,197,210.52
  6. Step 6: Final answer
    x = 684,072,696.50

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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.