Home / 894,628,026.12-1,234,574,904.06-492,734,057.40

Finding the Fourth Proportional to 894,628,026.12, 1,234,574,904.06 and 492,734,057.40

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Solution

The fourth proportional to 894,628,026.12, 1,234,574,904.06 and 492,734,057.40 is: 679,966,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,628,026.12 : 1,234,574,904.06 = 492,734,057.40 : x
  2. Step 2: Convert to fraction form
    894,628,026.12/1,234,574,904.06 = 492,734,057.40/x
  3. Step 3: Cross multiply
    894,628,026.12x = 1,234,574,904.06 × 492,734,057.40
  4. Step 4: Simplify right side
    894,628,026.12x = 608,317,101,641,699,456
  5. Step 5: Solve for x
    x = 608,317,101,641,699,456/894,628,026.12
  6. Step 6: Final answer
    x = 679,966,515.56

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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.