Home / 1,293,246,019.80-1,939,869,029.70-603,223,025.40

Finding the Fourth Proportional to 1,293,246,019.80, 1,939,869,029.70 and 603,223,025.40

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Solution

The fourth proportional to 1,293,246,019.80, 1,939,869,029.70 and 603,223,025.40 is: 904,834,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,246,019.80 : 1,939,869,029.70 = 603,223,025.40 : x
  2. Step 2: Convert to fraction form
    1,293,246,019.80/1,939,869,029.70 = 603,223,025.40/x
  3. Step 3: Cross multiply
    1,293,246,019.80x = 1,939,869,029.70 × 603,223,025.40
  4. Step 4: Simplify right side
    1,293,246,019.80x = 1,170,173,664,975,396,352
  5. Step 5: Solve for x
    x = 1,170,173,664,975,396,352/1,293,246,019.80
  6. Step 6: Final answer
    x = 904,834,538.10

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Double scale
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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.