Home / 386,688,298,218.10-533,605,807,556.95-213,063,721,461.26

Finding the Fourth Proportional to 386,688,298,218.10, 533,605,807,556.95 and 213,063,721,461.26

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Solution

The fourth proportional to 386,688,298,218.10, 533,605,807,556.95 and 213,063,721,461.26 is: 294,014,687,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,688,298,218.10 : 533,605,807,556.95 = 213,063,721,461.26 : x
  2. Step 2: Convert to fraction form
    386,688,298,218.10/533,605,807,556.95 = 213,063,721,461.26/x
  3. Step 3: Cross multiply
    386,688,298,218.10x = 533,605,807,556.95 × 213,063,721,461.26
  4. Step 4: Simplify right side
    386,688,298,218.10x = 113,692,039,151,424,706,183,168
  5. Step 5: Solve for x
    x = 113,692,039,151,424,706,183,168/386,688,298,218.10
  6. Step 6: Final answer
    x = 294,014,687,476.53

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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.