Finding the Fourth Proportional to 425,620,972.08, 587,363,460.48 and 249,366,792.96
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Solution
The fourth proportional to 425,620,972.08, 587,363,460.48 and 249,366,792.96 is: 344,129,993.70
Step by Step Solution
- Step 1: Write the proportion equation
425,620,972.08 : 587,363,460.48 = 249,366,792.96 : x - Step 2: Convert to fraction form
425,620,972.08/587,363,460.48 = 249,366,792.96/x - Step 3: Cross multiply
425,620,972.08x = 587,363,460.48 × 249,366,792.96 - Step 4: Simplify right side
425,620,972.08x = 146,468,942,441,785,312 - Step 5: Solve for x
x = 146,468,942,441,785,312/425,620,972.08 - Step 6: Final answer
x = 344,129,993.70
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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.