Home / 456,095,427.40-684,143,141.10-398,699,799.40

Finding the Fourth Proportional to 456,095,427.40, 684,143,141.10 and 398,699,799.40

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Solution

The fourth proportional to 456,095,427.40, 684,143,141.10 and 398,699,799.40 is: 598,049,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,095,427.40 : 684,143,141.10 = 398,699,799.40 : x
  2. Step 2: Convert to fraction form
    456,095,427.40/684,143,141.10 = 398,699,799.40/x
  3. Step 3: Cross multiply
    456,095,427.40x = 684,143,141.10 × 398,699,799.40
  4. Step 4: Simplify right side
    456,095,427.40x = 272,767,733,117,455,904
  5. Step 5: Solve for x
    x = 272,767,733,117,455,904/456,095,427.40
  6. Step 6: Final answer
    x = 598,049,699.10

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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.