Finding the Fourth Proportional to 1,148,520,633.08, 1,584,950,410.86 and 626,999,865.08
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Solution
The fourth proportional to 1,148,520,633.08, 1,584,950,410.86 and 626,999,865.08 is: 865,255,412.18
Step by Step Solution
- Step 1: Write the proportion equation
1,148,520,633.08 : 1,584,950,410.86 = 626,999,865.08 : x - Step 2: Convert to fraction form
1,148,520,633.08/1,584,950,410.86 = 626,999,865.08/x - Step 3: Cross multiply
1,148,520,633.08x = 1,584,950,410.86 × 626,999,865.08 - Step 4: Simplify right side
1,148,520,633.08x = 993,763,693,767,710,592 - Step 5: Solve for x
x = 993,763,693,767,710,592/1,148,520,633.08 - Step 6: Final answer
x = 865,255,412.18
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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.