Home / 723,218,867.92-998,254,441.74-472,361,609.80

Finding the Fourth Proportional to 723,218,867.92, 998,254,441.74 and 472,361,609.80

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Solution

The fourth proportional to 723,218,867.92, 998,254,441.74 and 472,361,609.80 is: 651,997,750.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,218,867.92 : 998,254,441.74 = 472,361,609.80 : x
  2. Step 2: Convert to fraction form
    723,218,867.92/998,254,441.74 = 472,361,609.80/x
  3. Step 3: Cross multiply
    723,218,867.92x = 998,254,441.74 × 472,361,609.80
  4. Step 4: Simplify right side
    723,218,867.92x = 471,537,075,090,306,752
  5. Step 5: Solve for x
    x = 471,537,075,090,306,752/723,218,867.92
  6. Step 6: Final answer
    x = 651,997,750.62

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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.