Home / 745,024,540.71-1,117,709,726.55-253,742,066.67

Finding the Fourth Proportional to 745,024,540.71, 1,117,709,726.55 and 253,742,066.67

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Solution

The fourth proportional to 745,024,540.71, 1,117,709,726.55 and 253,742,066.67 is: 380,671,991.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,024,540.71 : 1,117,709,726.55 = 253,742,066.67 : x
  2. Step 2: Convert to fraction form
    745,024,540.71/1,117,709,726.55 = 253,742,066.67/x
  3. Step 3: Cross multiply
    745,024,540.71x = 1,117,709,726.55 × 253,742,066.67
  4. Step 4: Simplify right side
    745,024,540.71x = 283,609,975,951,957,536
  5. Step 5: Solve for x
    x = 283,609,975,951,957,536/745,024,540.71
  6. Step 6: Final answer
    x = 380,671,991.93

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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.