Finding the Fourth Proportional to 689,413,496.06, 951,684,184.83 and 463,483,510.99
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Solution
The fourth proportional to 689,413,496.06, 951,684,184.83 and 463,483,510.99 is: 639,804,601.82
Step by Step Solution
- Step 1: Write the proportion equation
689,413,496.06 : 951,684,184.83 = 463,483,510.99 : x - Step 2: Convert to fraction form
689,413,496.06/951,684,184.83 = 463,483,510.99/x - Step 3: Cross multiply
689,413,496.06x = 951,684,184.83 × 463,483,510.99 - Step 4: Simplify right side
689,413,496.06x = 441,089,927,338,028,032 - Step 5: Solve for x
x = 441,089,927,338,028,032/689,413,496.06 - Step 6: Final answer
x = 639,804,601.82
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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.