Home / 30,048,559,934.40-45,072,839,901.60-21,232,591,473.60

Finding the Fourth Proportional to 30,048,559,934.40, 45,072,839,901.60 and 21,232,591,473.60

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Solution

The fourth proportional to 30,048,559,934.40, 45,072,839,901.60 and 21,232,591,473.60 is: 31,848,887,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,048,559,934.40 : 45,072,839,901.60 = 21,232,591,473.60 : x
  2. Step 2: Convert to fraction form
    30,048,559,934.40/45,072,839,901.60 = 21,232,591,473.60/x
  3. Step 3: Cross multiply
    30,048,559,934.40x = 45,072,839,901.60 × 21,232,591,473.60
  4. Step 4: Simplify right side
    30,048,559,934.40x = 957,013,196,185,649,938,432
  5. Step 5: Solve for x
    x = 957,013,196,185,649,938,432/30,048,559,934.40
  6. Step 6: Final answer
    x = 31,848,887,210.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.