Home / 919,712,032.70-1,379,501,317.26-359,368,499.75

Finding the Fourth Proportional to 919,712,032.70, 1,379,501,317.26 and 359,368,499.75

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Solution

The fourth proportional to 919,712,032.70, 1,379,501,317.26 and 359,368,499.75 is: 539,026,674.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,712,032.70 : 1,379,501,317.26 = 359,368,499.75 : x
  2. Step 2: Convert to fraction form
    919,712,032.70/1,379,501,317.26 = 359,368,499.75/x
  3. Step 3: Cross multiply
    919,712,032.70x = 1,379,501,317.26 × 359,368,499.75
  4. Step 4: Simplify right side
    919,712,032.70x = 495,749,318,779,977,472
  5. Step 5: Solve for x
    x = 495,749,318,779,977,472/919,712,032.70
  6. Step 6: Final answer
    x = 539,026,674.82

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1.5x scale

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.