Finding the Fourth Proportional to 695,280,595.70, 1,042,920,893.55 and 684,531,053.30
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Solution
The fourth proportional to 695,280,595.70, 1,042,920,893.55 and 684,531,053.30 is: 1,026,796,579.95
Step by Step Solution
- Step 1: Write the proportion equation
695,280,595.70 : 1,042,920,893.55 = 684,531,053.30 : x - Step 2: Convert to fraction form
695,280,595.70/1,042,920,893.55 = 684,531,053.30/x - Step 3: Cross multiply
695,280,595.70x = 1,042,920,893.55 × 684,531,053.30 - Step 4: Simplify right side
695,280,595.70x = 713,911,737,770,358,656 - Step 5: Solve for x
x = 713,911,737,770,358,656/695,280,595.70 - Step 6: Final answer
x = 1,026,796,579.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.