Home / 371,502,342,374.02-512,665,196,986.95-215,079,130,799.74

Finding the Fourth Proportional to 371,502,342,374.02, 512,665,196,986.95 and 215,079,130,799.74

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Solution

The fourth proportional to 371,502,342,374.02, 512,665,196,986.95 and 215,079,130,799.74 is: 296,804,548,403.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,502,342,374.02 : 512,665,196,986.95 = 215,079,130,799.74 : x
  2. Step 2: Convert to fraction form
    371,502,342,374.02/512,665,196,986.95 = 215,079,130,799.74/x
  3. Step 3: Cross multiply
    371,502,342,374.02x = 512,665,196,986.95 × 215,079,130,799.74
  4. Step 4: Simplify right side
    371,502,342,374.02x = 110,263,584,959,230,692,556,800
  5. Step 5: Solve for x
    x = 110,263,584,959,230,692,556,800/371,502,342,374.02
  6. Step 6: Final answer
    x = 296,804,548,403.68

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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.