Home / 305,360,249,511.85-421,416,282,091.44-168,183,048,467.55

Finding the Fourth Proportional to 305,360,249,511.85, 421,416,282,091.44 and 168,183,048,467.55

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Solution

The fourth proportional to 305,360,249,511.85, 421,416,282,091.44 and 168,183,048,467.55 is: 232,103,147,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,360,249,511.85 : 421,416,282,091.44 = 168,183,048,467.55 : x
  2. Step 2: Convert to fraction form
    305,360,249,511.85/421,416,282,091.44 = 168,183,048,467.55/x
  3. Step 3: Cross multiply
    305,360,249,511.85x = 421,416,282,091.44 × 168,183,048,467.55
  4. Step 4: Simplify right side
    305,360,249,511.85x = 70,875,074,995,999,368,806,400
  5. Step 5: Solve for x
    x = 70,875,074,995,999,368,806,400/305,360,249,511.85
  6. Step 6: Final answer
    x = 232,103,147,378.55

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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.