Home / 1,409,707,365.62-1,945,282,291.90-815,030,180.24

Finding the Fourth Proportional to 1,409,707,365.62, 1,945,282,291.90 and 815,030,180.24

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Solution

The fourth proportional to 1,409,707,365.62, 1,945,282,291.90 and 815,030,180.24 is: 1,124,675,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,707,365.62 : 1,945,282,291.90 = 815,030,180.24 : x
  2. Step 2: Convert to fraction form
    1,409,707,365.62/1,945,282,291.90 = 815,030,180.24/x
  3. Step 3: Cross multiply
    1,409,707,365.62x = 1,945,282,291.90 × 815,030,180.24
  4. Step 4: Simplify right side
    1,409,707,365.62x = 1,585,463,776,973,173,248
  5. Step 5: Solve for x
    x = 1,585,463,776,973,173,248/1,409,707,365.62
  6. Step 6: Final answer
    x = 1,124,675,812.62

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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.