Home / 456,093,308.40-684,139,962.60-398,697,680.40

Finding the Fourth Proportional to 456,093,308.40, 684,139,962.60 and 398,697,680.40

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Solution

The fourth proportional to 456,093,308.40, 684,139,962.60 and 398,697,680.40 is: 598,046,520.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,308.40 : 684,139,962.60 = 398,697,680.40 : x
  2. Step 2: Convert to fraction form
    456,093,308.40/684,139,962.60 = 398,697,680.40/x
  3. Step 3: Cross multiply
    456,093,308.40x = 684,139,962.60 × 398,697,680.40
  4. Step 4: Simplify right side
    456,093,308.40x = 272,765,016,157,562,752
  5. Step 5: Solve for x
    x = 272,765,016,157,562,752/456,093,308.40
  6. Step 6: Final answer
    x = 598,046,520.60

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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.