Home / 30,033,427,903.57-41,480,528,655.05-19,779,360,905.89

Finding the Fourth Proportional to 30,033,427,903.57, 41,480,528,655.05 and 19,779,360,905.89

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Solution

The fourth proportional to 30,033,427,903.57, 41,480,528,655.05 and 19,779,360,905.89 is: 27,318,171,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,427,903.57 : 41,480,528,655.05 = 19,779,360,905.89 : x
  2. Step 2: Convert to fraction form
    30,033,427,903.57/41,480,528,655.05 = 19,779,360,905.89/x
  3. Step 3: Cross multiply
    30,033,427,903.57x = 41,480,528,655.05 × 19,779,360,905.89
  4. Step 4: Simplify right side
    30,033,427,903.57x = 820,458,346,835,345,932,288
  5. Step 5: Solve for x
    x = 820,458,346,835,345,932,288/30,033,427,903.57
  6. Step 6: Final answer
    x = 27,318,171,920.62

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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.