Finding the Fourth Proportional to 1,486,009,369,507.80, 2,050,660,787,963.90 and 860,316,523,210.73
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Solution
The fourth proportional to 1,486,009,369,507.80, 2,050,660,787,963.90 and 860,316,523,210.73 is: 1,187,218,193,630.92
Step by Step Solution
- Step 1: Write the proportion equation
1,486,009,369,507.80 : 2,050,660,787,963.90 = 860,316,523,210.73 : x - Step 2: Convert to fraction form
1,486,009,369,507.80/2,050,660,787,963.90 = 860,316,523,210.73/x - Step 3: Cross multiply
1,486,009,369,507.80x = 2,050,660,787,963.90 × 860,316,523,210.73 - Step 4: Simplify right side
1,486,009,369,507.80x = 1,764,217,359,385,678,187,593,728 - Step 5: Solve for x
x = 1,764,217,359,385,678,187,593,728/1,486,009,369,507.80 - Step 6: Final answer
x = 1,187,218,193,630.92
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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.