Home / 456,093,309.40-684,139,964.10-398,697,681.40

Finding the Fourth Proportional to 456,093,309.40, 684,139,964.10 and 398,697,681.40

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Solution

The fourth proportional to 456,093,309.40, 684,139,964.10 and 398,697,681.40 is: 598,046,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,093,309.40 : 684,139,964.10 = 398,697,681.40 : x
  2. Step 2: Convert to fraction form
    456,093,309.40/684,139,964.10 = 398,697,681.40/x
  3. Step 3: Cross multiply
    456,093,309.40x = 684,139,964.10 × 398,697,681.40
  4. Step 4: Simplify right side
    456,093,309.40x = 272,765,017,439,749,216
  5. Step 5: Solve for x
    x = 272,765,017,439,749,216/456,093,309.40
  6. Step 6: Final answer
    x = 598,046,522.10

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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.