Home / 712,139,416.38-983,232,290.16-444,622,973.85

Finding the Fourth Proportional to 712,139,416.38, 983,232,290.16 and 444,622,973.85

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Solution

The fourth proportional to 712,139,416.38, 983,232,290.16 and 444,622,973.85 is: 613,879,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,139,416.38 : 983,232,290.16 = 444,622,973.85 : x
  2. Step 2: Convert to fraction form
    712,139,416.38/983,232,290.16 = 444,622,973.85/x
  3. Step 3: Cross multiply
    712,139,416.38x = 983,232,290.16 × 444,622,973.85
  4. Step 4: Simplify right side
    712,139,416.38x = 437,167,664,836,285,312
  5. Step 5: Solve for x
    x = 437,167,664,836,285,312/712,139,416.38
  6. Step 6: Final answer
    x = 613,879,325.85

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Double scale
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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.