Home / 30,033,427,937.82-41,480,528,702.31-19,779,360,940.14

Finding the Fourth Proportional to 30,033,427,937.82, 41,480,528,702.31 and 19,779,360,940.14

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Solution

The fourth proportional to 30,033,427,937.82, 41,480,528,702.31 and 19,779,360,940.14 is: 27,318,171,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,427,937.82 : 41,480,528,702.31 = 19,779,360,940.14 : x
  2. Step 2: Convert to fraction form
    30,033,427,937.82/41,480,528,702.31 = 19,779,360,940.14/x
  3. Step 3: Cross multiply
    30,033,427,937.82x = 41,480,528,702.31 × 19,779,360,940.14
  4. Step 4: Simplify right side
    30,033,427,937.82x = 820,458,349,190,826,557,440
  5. Step 5: Solve for x
    x = 820,458,349,190,826,557,440/30,033,427,937.82
  6. Step 6: Final answer
    x = 27,318,171,967.90

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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.