Home / 945,133,030.10-1,415,432,063.55-459,891,967.70

Finding the Fourth Proportional to 945,133,030.10, 1,415,432,063.55 and 459,891,967.70

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Solution

The fourth proportional to 945,133,030.10, 1,415,432,063.55 and 459,891,967.70 is: 688,734,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,133,030.10 : 1,415,432,063.55 = 459,891,967.70 : x
  2. Step 2: Convert to fraction form
    945,133,030.10/1,415,432,063.55 = 459,891,967.70/x
  3. Step 3: Cross multiply
    945,133,030.10x = 1,415,432,063.55 × 459,891,967.70
  4. Step 4: Simplify right side
    945,133,030.10x = 650,945,836,851,680,896
  5. Step 5: Solve for x
    x = 650,945,836,851,680,896/945,133,030.10
  6. Step 6: Final answer
    x = 688,734,618.43

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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.