Home / 742,437,977.40-1,113,656,966.10-334,291,289.40

Finding the Fourth Proportional to 742,437,977.40, 1,113,656,966.10 and 334,291,289.40

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Solution

The fourth proportional to 742,437,977.40, 1,113,656,966.10 and 334,291,289.40 is: 501,436,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,437,977.40 : 1,113,656,966.10 = 334,291,289.40 : x
  2. Step 2: Convert to fraction form
    742,437,977.40/1,113,656,966.10 = 334,291,289.40/x
  3. Step 3: Cross multiply
    742,437,977.40x = 1,113,656,966.10 × 334,291,289.40
  4. Step 4: Simplify right side
    742,437,977.40x = 372,285,823,146,861,056
  5. Step 5: Solve for x
    x = 372,285,823,146,861,056/742,437,977.40
  6. Step 6: Final answer
    x = 501,436,934.10

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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.