Home / 745,024,541.71-1,117,709,728.05-253,742,067.67

Finding the Fourth Proportional to 745,024,541.71, 1,117,709,728.05 and 253,742,067.67

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Solution

The fourth proportional to 745,024,541.71, 1,117,709,728.05 and 253,742,067.67 is: 380,671,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,024,541.71 : 1,117,709,728.05 = 253,742,067.67 : x
  2. Step 2: Convert to fraction form
    745,024,541.71/1,117,709,728.05 = 253,742,067.67/x
  3. Step 3: Cross multiply
    745,024,541.71x = 1,117,709,728.05 × 253,742,067.67
  4. Step 4: Simplify right side
    745,024,541.71x = 283,609,977,450,280,384
  5. Step 5: Solve for x
    x = 283,609,977,450,280,384/745,024,541.71
  6. Step 6: Final answer
    x = 380,671,993.43

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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.