Finding the Fourth Proportional to 991,410,118,090.39, 1,487,794,470,448.50 and 346,015,745,024.95
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Solution
The fourth proportional to 991,410,118,090.39, 1,487,794,470,448.50 and 346,015,745,024.95 is: 519,260,700,231.53
Step by Step Solution
- Step 1: Write the proportion equation
991,410,118,090.39 : 1,487,794,470,448.50 = 346,015,745,024.95 : x - Step 2: Convert to fraction form
991,410,118,090.39/1,487,794,470,448.50 = 346,015,745,024.95/x - Step 3: Cross multiply
991,410,118,090.39x = 1,487,794,470,448.50 × 346,015,745,024.95 - Step 4: Simplify right side
991,410,118,090.39x = 514,800,312,136,238,716,944,384 - Step 5: Solve for x
x = 514,800,312,136,238,716,944,384/991,410,118,090.39 - Step 6: Final answer
x = 519,260,700,231.53
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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.