Home / 630,828,008.80-946,242,013.20-358,730,216.80

Finding the Fourth Proportional to 630,828,008.80, 946,242,013.20 and 358,730,216.80

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Solution

The fourth proportional to 630,828,008.80, 946,242,013.20 and 358,730,216.80 is: 538,095,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,828,008.80 : 946,242,013.20 = 358,730,216.80 : x
  2. Step 2: Convert to fraction form
    630,828,008.80/946,242,013.20 = 358,730,216.80/x
  3. Step 3: Cross multiply
    630,828,008.80x = 946,242,013.20 × 358,730,216.80
  4. Step 4: Simplify right side
    630,828,008.80x = 339,445,602,540,504,512
  5. Step 5: Solve for x
    x = 339,445,602,540,504,512/630,828,008.80
  6. Step 6: Final answer
    x = 538,095,325.20

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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.