Home / 1,278,553,352.80-1,917,830,029.20-460,692,335.20

Finding the Fourth Proportional to 1,278,553,352.80, 1,917,830,029.20 and 460,692,335.20

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Solution

The fourth proportional to 1,278,553,352.80, 1,917,830,029.20 and 460,692,335.20 is: 691,038,502.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,553,352.80 : 1,917,830,029.20 = 460,692,335.20 : x
  2. Step 2: Convert to fraction form
    1,278,553,352.80/1,917,830,029.20 = 460,692,335.20/x
  3. Step 3: Cross multiply
    1,278,553,352.80x = 1,917,830,029.20 × 460,692,335.20
  4. Step 4: Simplify right side
    1,278,553,352.80x = 883,529,594,668,832,128
  5. Step 5: Solve for x
    x = 883,529,594,668,832,128/1,278,553,352.80
  6. Step 6: Final answer
    x = 691,038,502.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.