Home / 645,302,078,961.93-890,594,959,384.08-367,272,245,056.32

Finding the Fourth Proportional to 645,302,078,961.93, 890,594,959,384.08 and 367,272,245,056.32

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Solution

The fourth proportional to 645,302,078,961.93, 890,594,959,384.08 and 367,272,245,056.32 is: 506,880,143,164.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,302,078,961.93 : 890,594,959,384.08 = 367,272,245,056.32 : x
  2. Step 2: Convert to fraction form
    645,302,078,961.93/890,594,959,384.08 = 367,272,245,056.32/x
  3. Step 3: Cross multiply
    645,302,078,961.93x = 890,594,959,384.08 × 367,272,245,056.32
  4. Step 4: Simplify right side
    645,302,078,961.93x = 327,090,810,168,833,157,890,048
  5. Step 5: Solve for x
    x = 327,090,810,168,833,157,890,048/645,302,078,961.93
  6. Step 6: Final answer
    x = 506,880,143,164.90

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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.