Finding the Fourth Proportional to 581,807,316.05, 802,911,051.81 and 317,506,333.07
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Solution
The fourth proportional to 581,807,316.05, 802,911,051.81 and 317,506,333.07 is: 438,167,992.75
Step by Step Solution
- Step 1: Write the proportion equation
581,807,316.05 : 802,911,051.81 = 317,506,333.07 : x - Step 2: Convert to fraction form
581,807,316.05/802,911,051.81 = 317,506,333.07/x - Step 3: Cross multiply
581,807,316.05x = 802,911,051.81 × 317,506,333.07 - Step 4: Simplify right side
581,807,316.05x = 254,929,343,841,569,856 - Step 5: Solve for x
x = 254,929,343,841,569,856/581,807,316.05 - Step 6: Final answer
x = 438,167,992.75
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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.