Finding the Fourth Proportional to 808,572,574.56, 1,115,830,898.19 and 437,294,606.34
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Solution
The fourth proportional to 808,572,574.56, 1,115,830,898.19 and 437,294,606.34 is: 603,466,959.82
Step by Step Solution
- Step 1: Write the proportion equation
808,572,574.56 : 1,115,830,898.19 = 437,294,606.34 : x - Step 2: Convert to fraction form
808,572,574.56/1,115,830,898.19 = 437,294,606.34/x - Step 3: Cross multiply
808,572,574.56x = 1,115,830,898.19 × 437,294,606.34 - Step 4: Simplify right side
808,572,574.56x = 487,946,833,366,004,672 - Step 5: Solve for x
x = 487,946,833,366,004,672/808,572,574.56 - Step 6: Final answer
x = 603,466,959.82
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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.