Home / 305,360,249,514.10-421,416,282,094.55-168,183,048,469.80

Finding the Fourth Proportional to 305,360,249,514.10, 421,416,282,094.55 and 168,183,048,469.80

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Solution

The fourth proportional to 305,360,249,514.10, 421,416,282,094.55 and 168,183,048,469.80 is: 232,103,147,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,360,249,514.10 : 421,416,282,094.55 = 168,183,048,469.80 : x
  2. Step 2: Convert to fraction form
    305,360,249,514.10/421,416,282,094.55 = 168,183,048,469.80/x
  3. Step 3: Cross multiply
    305,360,249,514.10x = 421,416,282,094.55 × 168,183,048,469.80
  4. Step 4: Simplify right side
    305,360,249,514.10x = 70,875,074,997,470,604,820,480
  5. Step 5: Solve for x
    x = 70,875,074,997,470,604,820,480/305,360,249,514.10
  6. Step 6: Final answer
    x = 232,103,147,381.66

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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.