Finding the Fourth Proportional to 897,221,194.70, 1,343,564,310.45 and 715,822,666.70
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Solution
The fourth proportional to 897,221,194.70, 1,343,564,310.45 and 715,822,666.70 is: 1,071,924,953.70
Step by Step Solution
- Step 1: Write the proportion equation
897,221,194.70 : 1,343,564,310.45 = 715,822,666.70 : x - Step 2: Convert to fraction form
897,221,194.70/1,343,564,310.45 = 715,822,666.70/x - Step 3: Cross multiply
897,221,194.70x = 1,343,564,310.45 × 715,822,666.70 - Step 4: Simplify right side
897,221,194.70x = 961,753,787,589,265,792 - Step 5: Solve for x
x = 961,753,787,589,265,792/897,221,194.70 - Step 6: Final answer
x = 1,071,924,953.70
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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.