Home / 1,323,218,808.60-1,984,828,212.90-955,886,789.40

Finding the Fourth Proportional to 1,323,218,808.60, 1,984,828,212.90 and 955,886,789.40

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Solution

The fourth proportional to 1,323,218,808.60, 1,984,828,212.90 and 955,886,789.40 is: 1,433,830,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,218,808.60 : 1,984,828,212.90 = 955,886,789.40 : x
  2. Step 2: Convert to fraction form
    1,323,218,808.60/1,984,828,212.90 = 955,886,789.40/x
  3. Step 3: Cross multiply
    1,323,218,808.60x = 1,984,828,212.90 × 955,886,789.40
  4. Step 4: Simplify right side
    1,323,218,808.60x = 1,897,271,067,939,520,768
  5. Step 5: Solve for x
    x = 1,897,271,067,939,520,768/1,323,218,808.60
  6. Step 6: Final answer
    x = 1,433,830,184.10

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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.