Home / 623,117,012.01-859,921,986.71-340,852,993.39

Finding the Fourth Proportional to 623,117,012.01, 859,921,986.71 and 340,852,993.39

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Solution

The fourth proportional to 623,117,012.01, 859,921,986.71 and 340,852,993.39 is: 470,388,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,117,012.01 : 859,921,986.71 = 340,852,993.39 : x
  2. Step 2: Convert to fraction form
    623,117,012.01/859,921,986.71 = 340,852,993.39/x
  3. Step 3: Cross multiply
    623,117,012.01x = 859,921,986.71 × 340,852,993.39
  4. Step 4: Simplify right side
    623,117,012.01x = 293,106,983,251,979,328
  5. Step 5: Solve for x
    x = 293,106,983,251,979,328/623,117,012.01
  6. Step 6: Final answer
    x = 470,388,350.19

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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.