Home / 1,323,432,585.40-1,985,223,527.70-403,338,940.60

Finding the Fourth Proportional to 1,323,432,585.40, 1,985,223,527.70 and 403,338,940.60

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Solution

The fourth proportional to 1,323,432,585.40, 1,985,223,527.70 and 403,338,940.60 is: 605,031,161.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,432,585.40 : 1,985,223,527.70 = 403,338,940.60 : x
  2. Step 2: Convert to fraction form
    1,323,432,585.40/1,985,223,527.70 = 403,338,940.60/x
  3. Step 3: Cross multiply
    1,323,432,585.40x = 1,985,223,527.70 × 403,338,940.60
  4. Step 4: Simplify right side
    1,323,432,585.40x = 800,717,954,516,712,832
  5. Step 5: Solve for x
    x = 800,717,954,516,712,832/1,323,432,585.40
  6. Step 6: Final answer
    x = 605,031,161.66

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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.