Finding the Fourth Proportional to 778,783,546,060.57, 1,074,727,603,800.70 and 431,559,624,921.99
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Solution
The fourth proportional to 778,783,546,060.57, 1,074,727,603,800.70 and 431,559,624,921.99 is: 595,555,779,183.69
Step by Step Solution
- Step 1: Write the proportion equation
778,783,546,060.57 : 1,074,727,603,800.70 = 431,559,624,921.99 : x - Step 2: Convert to fraction form
778,783,546,060.57/1,074,727,603,800.70 = 431,559,624,921.99/x - Step 3: Cross multiply
778,783,546,060.57x = 1,074,727,603,800.70 × 431,559,624,921.99 - Step 4: Simplify right side
778,783,546,060.57x = 463,809,041,589,539,119,824,896 - Step 5: Solve for x
x = 463,809,041,589,539,119,824,896/778,783,546,060.57 - Step 6: Final answer
x = 595,555,779,183.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.