Home / 30,033,427,943.07-41,480,528,709.56-19,779,360,945.39

Finding the Fourth Proportional to 30,033,427,943.07, 41,480,528,709.56 and 19,779,360,945.39

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Solution

The fourth proportional to 30,033,427,943.07, 41,480,528,709.56 and 19,779,360,945.39 is: 27,318,171,975.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,427,943.07 : 41,480,528,709.56 = 19,779,360,945.39 : x
  2. Step 2: Convert to fraction form
    30,033,427,943.07/41,480,528,709.56 = 19,779,360,945.39/x
  3. Step 3: Cross multiply
    30,033,427,943.07x = 41,480,528,709.56 × 19,779,360,945.39
  4. Step 4: Simplify right side
    30,033,427,943.07x = 820,458,349,551,900,819,456
  5. Step 5: Solve for x
    x = 820,458,349,551,900,819,456/30,033,427,943.07
  6. Step 6: Final answer
    x = 27,318,171,975.14

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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.