Home / 1,601,600,428.80-2,402,400,643.20-1,429,271,827.20

Finding the Fourth Proportional to 1,601,600,428.80, 2,402,400,643.20 and 1,429,271,827.20

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Solution

The fourth proportional to 1,601,600,428.80, 2,402,400,643.20 and 1,429,271,827.20 is: 2,143,907,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601,600,428.80 : 2,402,400,643.20 = 1,429,271,827.20 : x
  2. Step 2: Convert to fraction form
    1,601,600,428.80/2,402,400,643.20 = 1,429,271,827.20/x
  3. Step 3: Cross multiply
    1,601,600,428.80x = 2,402,400,643.20 × 1,429,271,827.20
  4. Step 4: Simplify right side
    1,601,600,428.80x = 3,433,683,556,972,919,296
  5. Step 5: Solve for x
    x = 3,433,683,556,972,919,296/1,601,600,428.80
  6. Step 6: Final answer
    x = 2,143,907,740.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.