Home / 30,699,661,905.04-42,365,825,508.92-18,012,613,427.32

Finding the Fourth Proportional to 30,699,661,905.04, 42,365,825,508.92 and 18,012,613,427.32

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Solution

The fourth proportional to 30,699,661,905.04, 42,365,825,508.92 and 18,012,613,427.32 is: 24,857,577,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699,661,905.04 : 42,365,825,508.92 = 18,012,613,427.32 : x
  2. Step 2: Convert to fraction form
    30,699,661,905.04/42,365,825,508.92 = 18,012,613,427.32/x
  3. Step 3: Cross multiply
    30,699,661,905.04x = 42,365,825,508.92 × 18,012,613,427.32
  4. Step 4: Simplify right side
    30,699,661,905.04x = 763,119,237,421,468,483,584
  5. Step 5: Solve for x
    x = 763,119,237,421,468,483,584/30,699,661,905.04
  6. Step 6: Final answer
    x = 24,857,577,903.69

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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.