Home / 684,191,831.04-944,286,958.08-538,609,628.16

Finding the Fourth Proportional to 684,191,831.04, 944,286,958.08 and 538,609,628.16

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Solution

The fourth proportional to 684,191,831.04, 944,286,958.08 and 538,609,628.16 is: 743,361,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,191,831.04 : 944,286,958.08 = 538,609,628.16 : x
  2. Step 2: Convert to fraction form
    684,191,831.04/944,286,958.08 = 538,609,628.16/x
  3. Step 3: Cross multiply
    684,191,831.04x = 944,286,958.08 × 538,609,628.16
  4. Step 4: Simplify right side
    684,191,831.04x = 508,602,047,367,806,272
  5. Step 5: Solve for x
    x = 508,602,047,367,806,272/684,191,831.04
  6. Step 6: Final answer
    x = 743,361,765.36

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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.