Home / 1,260,157,289.80-1,890,235,934.70-340,032,152.20

Finding the Fourth Proportional to 1,260,157,289.80, 1,890,235,934.70 and 340,032,152.20

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Solution

The fourth proportional to 1,260,157,289.80, 1,890,235,934.70 and 340,032,152.20 is: 510,048,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,157,289.80 : 1,890,235,934.70 = 340,032,152.20 : x
  2. Step 2: Convert to fraction form
    1,260,157,289.80/1,890,235,934.70 = 340,032,152.20/x
  3. Step 3: Cross multiply
    1,260,157,289.80x = 1,890,235,934.70 × 340,032,152.20
  4. Step 4: Simplify right side
    1,260,157,289.80x = 642,740,993,041,819,648
  5. Step 5: Solve for x
    x = 642,740,993,041,819,648/1,260,157,289.80
  6. Step 6: Final answer
    x = 510,048,228.30

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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.