Home / 291,879,374.20-437,819,061.30-268,070,817.40

Finding the Fourth Proportional to 291,879,374.20, 437,819,061.30 and 268,070,817.40

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Solution

The fourth proportional to 291,879,374.20, 437,819,061.30 and 268,070,817.40 is: 402,106,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,879,374.20 : 437,819,061.30 = 268,070,817.40 : x
  2. Step 2: Convert to fraction form
    291,879,374.20/437,819,061.30 = 268,070,817.40/x
  3. Step 3: Cross multiply
    291,879,374.20x = 437,819,061.30 × 268,070,817.40
  4. Step 4: Simplify right side
    291,879,374.20x = 117,366,513,635,991,712
  5. Step 5: Solve for x
    x = 117,366,513,635,991,712/291,879,374.20
  6. Step 6: Final answer
    x = 402,106,226.10

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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.