Home / 291,151,872,095.20-436,727,808,142.80-238,256,061,330.40

Finding the Fourth Proportional to 291,151,872,095.20, 436,727,808,142.80 and 238,256,061,330.40

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Solution

The fourth proportional to 291,151,872,095.20, 436,727,808,142.80 and 238,256,061,330.40 is: 357,384,091,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,151,872,095.20 : 436,727,808,142.80 = 238,256,061,330.40 : x
  2. Step 2: Convert to fraction form
    291,151,872,095.20/436,727,808,142.80 = 238,256,061,330.40/x
  3. Step 3: Cross multiply
    291,151,872,095.20x = 436,727,808,142.80 × 238,256,061,330.40
  4. Step 4: Simplify right side
    291,151,872,095.20x = 104,053,047,441,562,112,360,448
  5. Step 5: Solve for x
    x = 104,053,047,441,562,112,360,448/291,151,872,095.20
  6. Step 6: Final answer
    x = 357,384,091,995.60

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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.