Finding the Fourth Proportional to 1,118,996,886.20, 1,676,703,738.90 and 709,319,881.40
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Solution
The fourth proportional to 1,118,996,886.20, 1,676,703,738.90 and 709,319,881.40 is: 1,062,844,152.55
Step by Step Solution
- Step 1: Write the proportion equation
1,118,996,886.20 : 1,676,703,738.90 = 709,319,881.40 : x - Step 2: Convert to fraction form
1,118,996,886.20/1,676,703,738.90 = 709,319,881.40/x - Step 3: Cross multiply
1,118,996,886.20x = 1,676,703,738.90 × 709,319,881.40 - Step 4: Simplify right side
1,118,996,886.20x = 1,189,319,297,219,484,672 - Step 5: Solve for x
x = 1,189,319,297,219,484,672/1,118,996,886.20 - Step 6: Final answer
x = 1,062,844,152.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.