Home / 386,688,298,194.95-533,605,807,525.02-213,063,721,437.96

Finding the Fourth Proportional to 386,688,298,194.95, 533,605,807,525.02 and 213,063,721,437.96

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Solution

The fourth proportional to 386,688,298,194.95, 533,605,807,525.02 and 213,063,721,437.96 is: 294,014,687,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,688,298,194.95 : 533,605,807,525.02 = 213,063,721,437.96 : x
  2. Step 2: Convert to fraction form
    386,688,298,194.95/533,605,807,525.02 = 213,063,721,437.96/x
  3. Step 3: Cross multiply
    386,688,298,194.95x = 533,605,807,525.02 × 213,063,721,437.96
  4. Step 4: Simplify right side
    386,688,298,194.95x = 113,692,039,132,188,554,297,344
  5. Step 5: Solve for x
    x = 113,692,039,132,188,554,297,344/386,688,298,194.95
  6. Step 6: Final answer
    x = 294,014,687,444.38

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1.5x scale

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.