Finding the Fourth Proportional to 2,169,262,466.04, 2,993,615,002.98 and 1,216,854,325.20
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Solution
The fourth proportional to 2,169,262,466.04, 2,993,615,002.98 and 1,216,854,325.20 is: 1,679,277,367.95
Step by Step Solution
- Step 1: Write the proportion equation
2,169,262,466.04 : 2,993,615,002.98 = 1,216,854,325.20 : x - Step 2: Convert to fraction form
2,169,262,466.04/2,993,615,002.98 = 1,216,854,325.20/x - Step 3: Cross multiply
2,169,262,466.04x = 2,993,615,002.98 × 1,216,854,325.20 - Step 4: Simplify right side
2,169,262,466.04x = 3,642,793,364,359,823,872 - Step 5: Solve for x
x = 3,642,793,364,359,823,872/2,169,262,466.04 - Step 6: Final answer
x = 1,679,277,367.95
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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.