Finding the Fourth Proportional to 26,306,475,137.70, 39,459,712,706.55 and 12,359,337,533.70
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Solution
The fourth proportional to 26,306,475,137.70, 39,459,712,706.55 and 12,359,337,533.70 is: 18,539,006,300.55
Step by Step Solution
- Step 1: Write the proportion equation
26,306,475,137.70 : 39,459,712,706.55 = 12,359,337,533.70 : x - Step 2: Convert to fraction form
26,306,475,137.70/39,459,712,706.55 = 12,359,337,533.70/x - Step 3: Cross multiply
26,306,475,137.70x = 39,459,712,706.55 × 12,359,337,533.70 - Step 4: Simplify right side
26,306,475,137.70x = 487,695,908,323,082,305,536 - Step 5: Solve for x
x = 487,695,908,323,082,305,536/26,306,475,137.70 - Step 6: Final answer
x = 18,539,006,300.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.