Home / 945,133,056.10-1,415,432,102.55-459,891,993.70

Finding the Fourth Proportional to 945,133,056.10, 1,415,432,102.55 and 459,891,993.70

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Solution

The fourth proportional to 945,133,056.10, 1,415,432,102.55 and 459,891,993.70 is: 688,734,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,133,056.10 : 1,415,432,102.55 = 459,891,993.70 : x
  2. Step 2: Convert to fraction form
    945,133,056.10/1,415,432,102.55 = 459,891,993.70/x
  3. Step 3: Cross multiply
    945,133,056.10x = 1,415,432,102.55 × 459,891,993.70
  4. Step 4: Simplify right side
    945,133,056.10x = 650,945,891,588,702,336
  5. Step 5: Solve for x
    x = 650,945,891,588,702,336/945,133,056.10
  6. Step 6: Final answer
    x = 688,734,657.40

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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.