Home / 410,807,639,808.75-566,679,007,400.49-256,214,927,351.40

Finding the Fourth Proportional to 410,807,639,808.75, 566,679,007,400.49 and 256,214,927,351.40

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Solution

The fourth proportional to 410,807,639,808.75, 566,679,007,400.49 and 256,214,927,351.40 is: 353,429,699,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,807,639,808.75 : 566,679,007,400.49 = 256,214,927,351.40 : x
  2. Step 2: Convert to fraction form
    410,807,639,808.75/566,679,007,400.49 = 256,214,927,351.40/x
  3. Step 3: Cross multiply
    410,807,639,808.75x = 566,679,007,400.49 × 256,214,927,351.40
  4. Step 4: Simplify right side
    410,807,639,808.75x = 145,191,620,712,679,996,391,424
  5. Step 5: Solve for x
    x = 145,191,620,712,679,996,391,424/410,807,639,808.75
  6. Step 6: Final answer
    x = 353,429,699,555.43

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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.