Home / 975,328,811.58-1,345,957,283.76-529,292,077.98

Finding the Fourth Proportional to 975,328,811.58, 1,345,957,283.76 and 529,292,077.98

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Solution

The fourth proportional to 975,328,811.58, 1,345,957,283.76 and 529,292,077.98 is: 730,424,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,328,811.58 : 1,345,957,283.76 = 529,292,077.98 : x
  2. Step 2: Convert to fraction form
    975,328,811.58/1,345,957,283.76 = 529,292,077.98/x
  3. Step 3: Cross multiply
    975,328,811.58x = 1,345,957,283.76 × 529,292,077.98
  4. Step 4: Simplify right side
    975,328,811.58x = 712,404,527,593,646,976
  5. Step 5: Solve for x
    x = 712,404,527,593,646,976/975,328,811.58
  6. Step 6: Final answer
    x = 730,424,979.90

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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.