Home / 648,903,534.32-973,355,312.76-157,613,493.54

Finding the Fourth Proportional to 648,903,534.32, 973,355,312.76 and 157,613,493.54

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Solution

The fourth proportional to 648,903,534.32, 973,355,312.76 and 157,613,493.54 is: 236,420,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,903,534.32 : 973,355,312.76 = 157,613,493.54 : x
  2. Step 2: Convert to fraction form
    648,903,534.32/973,355,312.76 = 157,613,493.54/x
  3. Step 3: Cross multiply
    648,903,534.32x = 973,355,312.76 × 157,613,493.54
  4. Step 4: Simplify right side
    648,903,534.32x = 153,413,931,300,117,664
  5. Step 5: Solve for x
    x = 153,413,931,300,117,664/648,903,534.32
  6. Step 6: Final answer
    x = 236,420,243.05

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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.