Finding the Fourth Proportional to 785,019,663.72, 1,083,334,300.56 and 432,608,298.94
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Solution
The fourth proportional to 785,019,663.72, 1,083,334,300.56 and 432,608,298.94 is: 597,003,400.82
Step by Step Solution
- Step 1: Write the proportion equation
785,019,663.72 : 1,083,334,300.56 = 432,608,298.94 : x - Step 2: Convert to fraction form
785,019,663.72/1,083,334,300.56 = 432,608,298.94/x - Step 3: Cross multiply
785,019,663.72x = 1,083,334,300.56 × 432,608,298.94 - Step 4: Simplify right side
785,019,663.72x = 468,659,408,948,616,256 - Step 5: Solve for x
x = 468,659,408,948,616,256/785,019,663.72 - Step 6: Final answer
x = 597,003,400.82
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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.