Home / 1,415,511,880.80-2,122,927,194.56-432,946,903.56

Finding the Fourth Proportional to 1,415,511,880.80, 2,122,927,194.56 and 432,946,903.56

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Solution

The fourth proportional to 1,415,511,880.80, 2,122,927,194.56 and 432,946,903.56 is: 649,316,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,511,880.80 : 2,122,927,194.56 = 432,946,903.56 : x
  2. Step 2: Convert to fraction form
    1,415,511,880.80/2,122,927,194.56 = 432,946,903.56/x
  3. Step 3: Cross multiply
    1,415,511,880.80x = 2,122,927,194.56 × 432,946,903.56
  4. Step 4: Simplify right side
    1,415,511,880.80x = 919,114,755,368,069,632
  5. Step 5: Solve for x
    x = 919,114,755,368,069,632/1,415,511,880.80
  6. Step 6: Final answer
    x = 649,316,171.65

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Double scale
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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.