Finding the Fourth Proportional to 1,120,367,970.10, 1,679,418,214.35 and 660,069,205.30
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Solution
The fourth proportional to 1,120,367,970.10, 1,679,418,214.35 and 660,069,205.30 is: 989,435,860.09
Step by Step Solution
- Step 1: Write the proportion equation
1,120,367,970.10 : 1,679,418,214.35 = 660,069,205.30 : x - Step 2: Convert to fraction form
1,120,367,970.10/1,679,418,214.35 = 660,069,205.30/x - Step 3: Cross multiply
1,120,367,970.10x = 1,679,418,214.35 × 660,069,205.30 - Step 4: Simplify right side
1,120,367,970.10x = 1,108,532,246,112,349,440 - Step 5: Solve for x
x = 1,108,532,246,112,349,440/1,120,367,970.10 - Step 6: Final answer
x = 989,435,860.09
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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.