Home / 830,197,214.67-1,145,685,767.49-495,698,967.51

Finding the Fourth Proportional to 830,197,214.67, 1,145,685,767.49 and 495,698,967.51

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Solution

The fourth proportional to 830,197,214.67, 1,145,685,767.49 and 495,698,967.51 is: 684,072,702.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,197,214.67 : 1,145,685,767.49 = 495,698,967.51 : x
  2. Step 2: Convert to fraction form
    830,197,214.67/1,145,685,767.49 = 495,698,967.51/x
  3. Step 3: Cross multiply
    830,197,214.67x = 1,145,685,767.49 × 495,698,967.51
  4. Step 4: Simplify right side
    830,197,214.67x = 567,915,252,035,694,912
  5. Step 5: Solve for x
    x = 567,915,252,035,694,912/830,197,214.67
  6. Step 6: Final answer
    x = 684,072,702.25

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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.