Home / 528,754,847.83-729,698,114.78-290,595,710.77

Finding the Fourth Proportional to 528,754,847.83, 729,698,114.78 and 290,595,710.77

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Solution

The fourth proportional to 528,754,847.83, 729,698,114.78 and 290,595,710.77 is: 401,031,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,754,847.83 : 729,698,114.78 = 290,595,710.77 : x
  2. Step 2: Convert to fraction form
    528,754,847.83/729,698,114.78 = 290,595,710.77/x
  3. Step 3: Cross multiply
    528,754,847.83x = 729,698,114.78 × 290,595,710.77
  4. Step 4: Simplify right side
    528,754,847.83x = 212,047,142,312,023,104
  5. Step 5: Solve for x
    x = 212,047,142,312,023,104/528,754,847.83
  6. Step 6: Final answer
    x = 401,031,107.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.