Finding the Fourth Proportional to 346,688,231.36, 478,460,026.68 and 190,085,605.52
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Solution
The fourth proportional to 346,688,231.36, 478,460,026.68 and 190,085,605.52 is: 262,334,730.92
Step by Step Solution
- Step 1: Write the proportion equation
346,688,231.36 : 478,460,026.68 = 190,085,605.52 : x - Step 2: Convert to fraction form
346,688,231.36/478,460,026.68 = 190,085,605.52/x - Step 3: Cross multiply
346,688,231.36x = 478,460,026.68 × 190,085,605.52 - Step 4: Simplify right side
346,688,231.36x = 90,948,363,888,583,168 - Step 5: Solve for x
x = 90,948,363,888,583,168/346,688,231.36 - Step 6: Final answer
x = 262,334,730.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.