Home / 1,159,933,769.40-1,739,900,654.10-947,597,129.40

Finding the Fourth Proportional to 1,159,933,769.40, 1,739,900,654.10 and 947,597,129.40

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Solution

The fourth proportional to 1,159,933,769.40, 1,739,900,654.10 and 947,597,129.40 is: 1,421,395,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,933,769.40 : 1,739,900,654.10 = 947,597,129.40 : x
  2. Step 2: Convert to fraction form
    1,159,933,769.40/1,739,900,654.10 = 947,597,129.40/x
  3. Step 3: Cross multiply
    1,159,933,769.40x = 1,739,900,654.10 × 947,597,129.40
  4. Step 4: Simplify right side
    1,159,933,769.40x = 1,648,724,865,266,342,144
  5. Step 5: Solve for x
    x = 1,648,724,865,266,342,144/1,159,933,769.40
  6. Step 6: Final answer
    x = 1,421,395,694.10

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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.