Finding the Fourth Proportional to 437,249,081.08, 603,403,759.74 and 239,011,360.24
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Solution
The fourth proportional to 437,249,081.08, 603,403,759.74 and 239,011,360.24 is: 329,835,692.35
Step by Step Solution
- Step 1: Write the proportion equation
437,249,081.08 : 603,403,759.74 = 239,011,360.24 : x - Step 2: Convert to fraction form
437,249,081.08/603,403,759.74 = 239,011,360.24/x - Step 3: Cross multiply
437,249,081.08x = 603,403,759.74 × 239,011,360.24 - Step 4: Simplify right side
437,249,081.08x = 144,220,353,389,387,552 - Step 5: Solve for x
x = 144,220,353,389,387,552/437,249,081.08 - Step 6: Final answer
x = 329,835,692.35
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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.