Home / 430,646,598.30-645,969,897.45-400,035,596.70

Finding the Fourth Proportional to 430,646,598.30, 645,969,897.45 and 400,035,596.70

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Solution

The fourth proportional to 430,646,598.30, 645,969,897.45 and 400,035,596.70 is: 600,053,395.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,646,598.30 : 645,969,897.45 = 400,035,596.70 : x
  2. Step 2: Convert to fraction form
    430,646,598.30/645,969,897.45 = 400,035,596.70/x
  3. Step 3: Cross multiply
    430,646,598.30x = 645,969,897.45 × 400,035,596.70
  4. Step 4: Simplify right side
    430,646,598.30x = 258,410,953,376,648,576
  5. Step 5: Solve for x
    x = 258,410,953,376,648,576/430,646,598.30
  6. Step 6: Final answer
    x = 600,053,395.05

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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.