Finding the Fourth Proportional to 4,890,674,457,430.40, 7,336,011,686,145.60 and 1,313,595,254,461
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Solution
The fourth proportional to 4,890,674,457,430.40, 7,336,011,686,145.60 and 1,313,595,254,461 is: 1,970,392,881,691.50
Step by Step Solution
- Step 1: Write the proportion equation
4,890,674,457,430.40 : 7,336,011,686,145.60 = 1,313,595,254,461 : x - Step 2: Convert to fraction form
4,890,674,457,430.40/7,336,011,686,145.60 = 1,313,595,254,461/x - Step 3: Cross multiply
4,890,674,457,430.40x = 7,336,011,686,145.60 × 1,313,595,254,461 - Step 4: Simplify right side
4,890,674,457,430.40x = 9,636,550,137,591,298,657,353,728 - Step 5: Solve for x
x = 9,636,550,137,591,298,657,353,728/4,890,674,457,430.40 - Step 6: Final answer
x = 1,970,392,881,691.50
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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.