Finding the Fourth Proportional to 909,380,475.58, 1,254,937,746.18 and 527,937,904.03
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Solution
The fourth proportional to 909,380,475.58, 1,254,937,746.18 and 527,937,904.03 is: 728,550,063.69
Step by Step Solution
- Step 1: Write the proportion equation
909,380,475.58 : 1,254,937,746.18 = 527,937,904.03 : x - Step 2: Convert to fraction form
909,380,475.58/1,254,937,746.18 = 527,937,904.03/x - Step 3: Cross multiply
909,380,475.58x = 1,254,937,746.18 × 527,937,904.03 - Step 4: Simplify right side
909,380,475.58x = 662,529,203,406,401,280 - Step 5: Solve for x
x = 662,529,203,406,401,280/909,380,475.58 - Step 6: Final answer
x = 728,550,063.69
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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.