Home / 386,688,298,219.60-533,605,807,559-213,063,721,462.76

Finding the Fourth Proportional to 386,688,298,219.60, 533,605,807,559 and 213,063,721,462.76

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Solution

The fourth proportional to 386,688,298,219.60, 533,605,807,559 and 213,063,721,462.76 is: 294,014,687,478.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,688,298,219.60 : 533,605,807,559 = 213,063,721,462.76 : x
  2. Step 2: Convert to fraction form
    386,688,298,219.60/533,605,807,559 = 213,063,721,462.76/x
  3. Step 3: Cross multiply
    386,688,298,219.60x = 533,605,807,559 × 213,063,721,462.76
  4. Step 4: Simplify right side
    386,688,298,219.60x = 113,692,039,152,661,891,645,440
  5. Step 5: Solve for x
    x = 113,692,039,152,661,891,645,440/386,688,298,219.60
  6. Step 6: Final answer
    x = 294,014,687,478.59

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Double scale
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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.