Home / 464,073,666,724.54-640,421,690,876.46-258,303,490,142.32

Finding the Fourth Proportional to 464,073,666,724.54, 640,421,690,876.46 and 258,303,490,142.32

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Solution

The fourth proportional to 464,073,666,724.54, 640,421,690,876.46 and 258,303,490,142.32 is: 356,458,833,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,073,666,724.54 : 640,421,690,876.46 = 258,303,490,142.32 : x
  2. Step 2: Convert to fraction form
    464,073,666,724.54/640,421,690,876.46 = 258,303,490,142.32/x
  3. Step 3: Cross multiply
    464,073,666,724.54x = 640,421,690,876.46 × 258,303,490,142.32
  4. Step 4: Simplify right side
    464,073,666,724.54x = 165,423,157,916,235,590,533,120
  5. Step 5: Solve for x
    x = 165,423,157,916,235,590,533,120/464,073,666,724.54
  6. Step 6: Final answer
    x = 356,458,833,537.79

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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.