Home / 305,360,249,515.20-421,416,282,096.07-168,183,048,470.94

Finding the Fourth Proportional to 305,360,249,515.20, 421,416,282,096.07 and 168,183,048,470.94

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Solution

The fourth proportional to 305,360,249,515.20, 421,416,282,096.07 and 168,183,048,470.94 is: 232,103,147,383.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,360,249,515.20 : 421,416,282,096.07 = 168,183,048,470.94 : x
  2. Step 2: Convert to fraction form
    305,360,249,515.20/421,416,282,096.07 = 168,183,048,470.94/x
  3. Step 3: Cross multiply
    305,360,249,515.20x = 421,416,282,096.07 × 168,183,048,470.94
  4. Step 4: Simplify right side
    305,360,249,515.20x = 70,875,074,998,206,671,618,048
  5. Step 5: Solve for x
    x = 70,875,074,998,206,671,618,048/305,360,249,515.20
  6. Step 6: Final answer
    x = 232,103,147,383.23

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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.