Home / 779,690,265.60-1,076,461,819.20-501,714,879.36

Finding the Fourth Proportional to 779,690,265.60, 1,076,461,819.20 and 501,714,879.36

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Solution

The fourth proportional to 779,690,265.60, 1,076,461,819.20 and 501,714,879.36 is: 692,681,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,690,265.60 : 1,076,461,819.20 = 501,714,879.36 : x
  2. Step 2: Convert to fraction form
    779,690,265.60/1,076,461,819.20 = 501,714,879.36/x
  3. Step 3: Cross multiply
    779,690,265.60x = 1,076,461,819.20 × 501,714,879.36
  4. Step 4: Simplify right side
    779,690,265.60x = 540,076,911,755,574,144
  5. Step 5: Solve for x
    x = 540,076,911,755,574,144/779,690,265.60
  6. Step 6: Final answer
    x = 692,681,357.69

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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.