Home / 317,767,608,454.80-438,506,668,879.50-187,598,392,892.10

Finding the Fourth Proportional to 317,767,608,454.80, 438,506,668,879.50 and 187,598,392,892.10

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Solution

The fourth proportional to 317,767,608,454.80, 438,506,668,879.50 and 187,598,392,892.10 is: 258,878,325,435.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,767,608,454.80 : 438,506,668,879.50 = 187,598,392,892.10 : x
  2. Step 2: Convert to fraction form
    317,767,608,454.80/438,506,668,879.50 = 187,598,392,892.10/x
  3. Step 3: Cross multiply
    317,767,608,454.80x = 438,506,668,879.50 × 187,598,392,892.10
  4. Step 4: Simplify right side
    317,767,608,454.80x = 82,263,146,354,262,438,576,128
  5. Step 5: Solve for x
    x = 82,263,146,354,262,438,576,128/317,767,608,454.80
  6. Step 6: Final answer
    x = 258,878,325,435.00

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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.