Home / 360,803,831.42-497,909,287.91-195,791,400.92

Finding the Fourth Proportional to 360,803,831.42, 497,909,287.91 and 195,791,400.92

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Solution

The fourth proportional to 360,803,831.42, 497,909,287.91 and 195,791,400.92 is: 270,192,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,803,831.42 : 497,909,287.91 = 195,791,400.92 : x
  2. Step 2: Convert to fraction form
    360,803,831.42/497,909,287.91 = 195,791,400.92/x
  3. Step 3: Cross multiply
    360,803,831.42x = 497,909,287.91 × 195,791,400.92
  4. Step 4: Simplify right side
    360,803,831.42x = 97,486,357,012,712,784
  5. Step 5: Solve for x
    x = 97,486,357,012,712,784/360,803,831.42
  6. Step 6: Final answer
    x = 270,192,133.57

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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.