Home / 1,430,784,014.80-2,146,176,022.20-461,533,608.40

Finding the Fourth Proportional to 1,430,784,014.80, 2,146,176,022.20 and 461,533,608.40

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Solution

The fourth proportional to 1,430,784,014.80, 2,146,176,022.20 and 461,533,608.40 is: 692,300,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,784,014.80 : 2,146,176,022.20 = 461,533,608.40 : x
  2. Step 2: Convert to fraction form
    1,430,784,014.80/2,146,176,022.20 = 461,533,608.40/x
  3. Step 3: Cross multiply
    1,430,784,014.80x = 2,146,176,022.20 × 461,533,608.40
  4. Step 4: Simplify right side
    1,430,784,014.80x = 990,532,363,787,524,480
  5. Step 5: Solve for x
    x = 990,532,363,787,524,480/1,430,784,014.80
  6. Step 6: Final answer
    x = 692,300,412.60

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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.