Finding the Fourth Proportional to 7,865,512,590.66, 10,854,411,730.09 and 4,248,536,312.62
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Solution
The fourth proportional to 7,865,512,590.66, 10,854,411,730.09 and 4,248,536,312.62 is: 5,862,982,463.75
Step by Step Solution
- Step 1: Write the proportion equation
7,865,512,590.66 : 10,854,411,730.09 = 4,248,536,312.62 : x - Step 2: Convert to fraction form
7,865,512,590.66/10,854,411,730.09 = 4,248,536,312.62/x - Step 3: Cross multiply
7,865,512,590.66x = 10,854,411,730.09 × 4,248,536,312.62 - Step 4: Simplify right side
7,865,512,590.66x = 46,115,362,387,415,842,816 - Step 5: Solve for x
x = 46,115,362,387,415,842,816/7,865,512,590.66 - Step 6: Final answer
x = 5,862,982,463.75
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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.