Home / 15,840,909,703.20-23,761,364,554.80-7,977,283,514.40

Finding the Fourth Proportional to 15,840,909,703.20, 23,761,364,554.80 and 7,977,283,514.40

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Solution

The fourth proportional to 15,840,909,703.20, 23,761,364,554.80 and 7,977,283,514.40 is: 11,965,925,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,840,909,703.20 : 23,761,364,554.80 = 7,977,283,514.40 : x
  2. Step 2: Convert to fraction form
    15,840,909,703.20/23,761,364,554.80 = 7,977,283,514.40/x
  3. Step 3: Cross multiply
    15,840,909,703.20x = 23,761,364,554.80 × 7,977,283,514.40
  4. Step 4: Simplify right side
    15,840,909,703.20x = 189,551,141,742,654,521,344
  5. Step 5: Solve for x
    x = 189,551,141,742,654,521,344/15,840,909,703.20
  6. Step 6: Final answer
    x = 11,965,925,271.60

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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.