Finding the Fourth Proportional to 808,572,567.06, 1,115,830,887.84 and 437,294,598.84
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Solution
The fourth proportional to 808,572,567.06, 1,115,830,887.84 and 437,294,598.84 is: 603,466,949.47
Step by Step Solution
- Step 1: Write the proportion equation
808,572,567.06 : 1,115,830,887.84 = 437,294,598.84 : x - Step 2: Convert to fraction form
808,572,567.06/1,115,830,887.84 = 437,294,598.84/x - Step 3: Cross multiply
808,572,567.06x = 1,115,830,887.84 × 437,294,598.84 - Step 4: Simplify right side
808,572,567.06x = 487,946,820,471,273,792 - Step 5: Solve for x
x = 487,946,820,471,273,792/808,572,567.06 - Step 6: Final answer
x = 603,466,949.47
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1.5x scale
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.