Finding the Fourth Proportional to 307,386,887.04, 424,197,252.18 and 168,154,659.45
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Solution
The fourth proportional to 307,386,887.04, 424,197,252.18 and 168,154,659.45 is: 232,055,261.59
Step by Step Solution
- Step 1: Write the proportion equation
307,386,887.04 : 424,197,252.18 = 168,154,659.45 : x - Step 2: Convert to fraction form
307,386,887.04/424,197,252.18 = 168,154,659.45/x - Step 3: Cross multiply
307,386,887.04x = 424,197,252.18 × 168,154,659.45 - Step 4: Simplify right side
307,386,887.04x = 71,330,744,479,953,664 - Step 5: Solve for x
x = 71,330,744,479,953,664/307,386,887.04 - Step 6: Final answer
x = 232,055,261.59
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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.