Home / 435,663,143.34-653,632,861.12-155,538,048.34

Finding the Fourth Proportional to 435,663,143.34, 653,632,861.12 and 155,538,048.34

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Solution

The fourth proportional to 435,663,143.34, 653,632,861.12 and 155,538,048.34 is: 233,356,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,663,143.34 : 653,632,861.12 = 155,538,048.34 : x
  2. Step 2: Convert to fraction form
    435,663,143.34/653,632,861.12 = 155,538,048.34/x
  3. Step 3: Cross multiply
    435,663,143.34x = 653,632,861.12 × 155,538,048.34
  4. Step 4: Simplify right side
    435,663,143.34x = 101,664,779,549,495,072
  5. Step 5: Solve for x
    x = 101,664,779,549,495,072/435,663,143.34
  6. Step 6: Final answer
    x = 233,356,392.67

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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.