Home / 651,144,043.20-976,716,064.80-444,519,782.40

Finding the Fourth Proportional to 651,144,043.20, 976,716,064.80 and 444,519,782.40

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Solution

The fourth proportional to 651,144,043.20, 976,716,064.80 and 444,519,782.40 is: 666,779,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,144,043.20 : 976,716,064.80 = 444,519,782.40 : x
  2. Step 2: Convert to fraction form
    651,144,043.20/976,716,064.80 = 444,519,782.40/x
  3. Step 3: Cross multiply
    651,144,043.20x = 976,716,064.80 × 444,519,782.40
  4. Step 4: Simplify right side
    651,144,043.20x = 434,169,612,591,480,256
  5. Step 5: Solve for x
    x = 434,169,612,591,480,256/651,144,043.20
  6. Step 6: Final answer
    x = 666,779,673.60

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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.