Finding the Fourth Proportional to 1,486,009,369,523.30, 2,050,660,787,985.40 and 860,316,523,226.20
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Solution
The fourth proportional to 1,486,009,369,523.30, 2,050,660,787,985.40 and 860,316,523,226.20 is: 1,187,218,193,652.34
Step by Step Solution
- Step 1: Write the proportion equation
1,486,009,369,523.30 : 2,050,660,787,985.40 = 860,316,523,226.20 : x - Step 2: Convert to fraction form
1,486,009,369,523.30/2,050,660,787,985.40 = 860,316,523,226.20/x - Step 3: Cross multiply
1,486,009,369,523.30x = 2,050,660,787,985.40 × 860,316,523,226.20 - Step 4: Simplify right side
1,486,009,369,523.30x = 1,764,217,359,435,898,703,314,944 - Step 5: Solve for x
x = 1,764,217,359,435,898,703,314,944/1,486,009,369,523.30 - Step 6: Final answer
x = 1,187,218,193,652.34
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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.