Home / 511,516,011.80-767,274,017.70-188,357,893.40

Finding the Fourth Proportional to 511,516,011.80, 767,274,017.70 and 188,357,893.40

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Solution

The fourth proportional to 511,516,011.80, 767,274,017.70 and 188,357,893.40 is: 282,536,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,516,011.80 : 767,274,017.70 = 188,357,893.40 : x
  2. Step 2: Convert to fraction form
    511,516,011.80/767,274,017.70 = 188,357,893.40/x
  3. Step 3: Cross multiply
    511,516,011.80x = 767,274,017.70 × 188,357,893.40
  4. Step 4: Simplify right side
    511,516,011.80x = 144,522,117,634,526,336
  5. Step 5: Solve for x
    x = 144,522,117,634,526,336/511,516,011.80
  6. Step 6: Final answer
    x = 282,536,840.10

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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.