Home / 1,365,472,389.76-2,047,379,176.51-535,431,631.54

Finding the Fourth Proportional to 1,365,472,389.76, 2,047,379,176.51 and 535,431,631.54

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Solution

The fourth proportional to 1,365,472,389.76, 2,047,379,176.51 and 535,431,631.54 is: 802,822,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,472,389.76 : 2,047,379,176.51 = 535,431,631.54 : x
  2. Step 2: Convert to fraction form
    1,365,472,389.76/2,047,379,176.51 = 535,431,631.54/x
  3. Step 3: Cross multiply
    1,365,472,389.76x = 2,047,379,176.51 × 535,431,631.54
  4. Step 4: Simplify right side
    1,365,472,389.76x = 1,096,231,572,859,771,008
  5. Step 5: Solve for x
    x = 1,096,231,572,859,771,008/1,365,472,389.76
  6. Step 6: Final answer
    x = 802,822,218.22

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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.