Home / 1,086,927,009.40-1,630,390,514.10-918,566,500.60

Finding the Fourth Proportional to 1,086,927,009.40, 1,630,390,514.10 and 918,566,500.60

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Solution

The fourth proportional to 1,086,927,009.40, 1,630,390,514.10 and 918,566,500.60 is: 1,377,849,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,927,009.40 : 1,630,390,514.10 = 918,566,500.60 : x
  2. Step 2: Convert to fraction form
    1,086,927,009.40/1,630,390,514.10 = 918,566,500.60/x
  3. Step 3: Cross multiply
    1,086,927,009.40x = 1,630,390,514.10 × 918,566,500.60
  4. Step 4: Simplify right side
    1,086,927,009.40x = 1,497,622,109,148,271,872
  5. Step 5: Solve for x
    x = 1,497,622,109,148,271,872/1,086,927,009.40
  6. Step 6: Final answer
    x = 1,377,849,750.90

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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.