Home / 464,073,666,722.42-640,421,690,873.51-258,303,490,140.20

Finding the Fourth Proportional to 464,073,666,722.42, 640,421,690,873.51 and 258,303,490,140.20

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Solution

The fourth proportional to 464,073,666,722.42, 640,421,690,873.51 and 258,303,490,140.20 is: 356,458,833,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,073,666,722.42 : 640,421,690,873.51 = 258,303,490,140.20 : x
  2. Step 2: Convert to fraction form
    464,073,666,722.42/640,421,690,873.51 = 258,303,490,140.20/x
  3. Step 3: Cross multiply
    464,073,666,722.42x = 640,421,690,873.51 × 258,303,490,140.20
  4. Step 4: Simplify right side
    464,073,666,722.42x = 165,423,157,914,115,923,509,248
  5. Step 5: Solve for x
    x = 165,423,157,914,115,923,509,248/464,073,666,722.42
  6. Step 6: Final answer
    x = 356,458,833,534.85

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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.