Finding the Fourth Proportional to 1,264,667,312.16, 1,745,203,407.36 and 700,177,352.16
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Solution
The fourth proportional to 1,264,667,312.16, 1,745,203,407.36 and 700,177,352.16 is: 966,223,993.45
Step by Step Solution
- Step 1: Write the proportion equation
1,264,667,312.16 : 1,745,203,407.36 = 700,177,352.16 : x - Step 2: Convert to fraction form
1,264,667,312.16/1,745,203,407.36 = 700,177,352.16/x - Step 3: Cross multiply
1,264,667,312.16x = 1,745,203,407.36 × 700,177,352.16 - Step 4: Simplify right side
1,264,667,312.16x = 1,221,951,900,745,934,592 - Step 5: Solve for x
x = 1,221,951,900,745,934,592/1,264,667,312.16 - Step 6: Final answer
x = 966,223,993.45
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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.