Finding the Fourth Proportional to 977,771,214.90, 1,466,656,822.35 and 870,632,709.30
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Solution
The fourth proportional to 977,771,214.90, 1,466,656,822.35 and 870,632,709.30 is: 1,305,949,063.95
Step by Step Solution
- Step 1: Write the proportion equation
977,771,214.90 : 1,466,656,822.35 = 870,632,709.30 : x - Step 2: Convert to fraction form
977,771,214.90/1,466,656,822.35 = 870,632,709.30/x - Step 3: Cross multiply
977,771,214.90x = 1,466,656,822.35 × 870,632,709.30 - Step 4: Simplify right side
977,771,214.90x = 1,276,919,402,855,909,120 - Step 5: Solve for x
x = 1,276,919,402,855,909,120/977,771,214.90 - Step 6: Final answer
x = 1,305,949,063.95
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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.