Home / 30,033,427,943.32-41,480,528,709.90-19,779,360,945.64

Finding the Fourth Proportional to 30,033,427,943.32, 41,480,528,709.90 and 19,779,360,945.64

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Solution

The fourth proportional to 30,033,427,943.32, 41,480,528,709.90 and 19,779,360,945.64 is: 27,318,171,975.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033,427,943.32 : 41,480,528,709.90 = 19,779,360,945.64 : x
  2. Step 2: Convert to fraction form
    30,033,427,943.32/41,480,528,709.90 = 19,779,360,945.64/x
  3. Step 3: Cross multiply
    30,033,427,943.32x = 41,480,528,709.90 × 19,779,360,945.64
  4. Step 4: Simplify right side
    30,033,427,943.32x = 820,458,349,569,094,844,416
  5. Step 5: Solve for x
    x = 820,458,349,569,094,844,416/30,033,427,943.32
  6. Step 6: Final answer
    x = 27,318,171,975.49

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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.