Home / 456,095,423.40-684,143,135.10-398,699,795.40

Finding the Fourth Proportional to 456,095,423.40, 684,143,135.10 and 398,699,795.40

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Solution

The fourth proportional to 456,095,423.40, 684,143,135.10 and 398,699,795.40 is: 598,049,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,095,423.40 : 684,143,135.10 = 398,699,795.40 : x
  2. Step 2: Convert to fraction form
    456,095,423.40/684,143,135.10 = 398,699,795.40/x
  3. Step 3: Cross multiply
    456,095,423.40x = 684,143,135.10 × 398,699,795.40
  4. Step 4: Simplify right side
    456,095,423.40x = 272,767,727,988,684,544
  5. Step 5: Solve for x
    x = 272,767,727,988,684,544/456,095,423.40
  6. Step 6: Final answer
    x = 598,049,693.10

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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.