Finding the Fourth Proportional to 6,402,376,819.67, 8,835,090,252.71 and 3,544,646,397.98
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Solution
The fourth proportional to 6,402,376,819.67, 8,835,090,252.71 and 3,544,646,397.98 is: 4,891,506,970.32
Step by Step Solution
- Step 1: Write the proportion equation
6,402,376,819.67 : 8,835,090,252.71 = 3,544,646,397.98 : x - Step 2: Convert to fraction form
6,402,376,819.67/8,835,090,252.71 = 3,544,646,397.98/x - Step 3: Cross multiply
6,402,376,819.67x = 8,835,090,252.71 × 3,544,646,397.98 - Step 4: Simplify right side
6,402,376,819.67x = 31,317,270,840,034,807,808 - Step 5: Solve for x
x = 31,317,270,840,034,807,808/6,402,376,819.67 - Step 6: Final answer
x = 4,891,506,970.32
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1.5x scale
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.