Home / 1,190,838,783.38-1,786,461,677.60-490,948,323.56

Finding the Fourth Proportional to 1,190,838,783.38, 1,786,461,677.60 and 490,948,323.56

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Solution

The fourth proportional to 1,190,838,783.38, 1,786,461,677.60 and 490,948,323.56 is: 736,506,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,838,783.38 : 1,786,461,677.60 = 490,948,323.56 : x
  2. Step 2: Convert to fraction form
    1,190,838,783.38/1,786,461,677.60 = 490,948,323.56/x
  3. Step 3: Cross multiply
    1,190,838,783.38x = 1,786,461,677.60 × 490,948,323.56
  4. Step 4: Simplify right side
    1,190,838,783.38x = 877,060,365,721,905,152
  5. Step 5: Solve for x
    x = 877,060,365,721,905,152/1,190,838,783.38
  6. Step 6: Final answer
    x = 736,506,383.54

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Double scale
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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.