Home / 786,592,212.40-1,181,232,011.40-515,166,266.80

Finding the Fourth Proportional to 786,592,212.40, 1,181,232,011.40 and 515,166,266.80

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Solution

The fourth proportional to 786,592,212.40, 1,181,232,011.40 and 515,166,266.80 is: 773,629,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,592,212.40 : 1,181,232,011.40 = 515,166,266.80 : x
  2. Step 2: Convert to fraction form
    786,592,212.40/1,181,232,011.40 = 515,166,266.80/x
  3. Step 3: Cross multiply
    786,592,212.40x = 1,181,232,011.40 × 515,166,266.80
  4. Step 4: Simplify right side
    786,592,212.40x = 608,530,885,537,593,088
  5. Step 5: Solve for x
    x = 608,530,885,537,593,088/786,592,212.40
  6. Step 6: Final answer
    x = 773,629,430.78

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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.