Finding the Fourth Proportional to 785,855,133.73, 1,176,330,432.53 and 578,827,309.92
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Solution
The fourth proportional to 785,855,133.73, 1,176,330,432.53 and 578,827,309.92 is: 866,434,729.02
Step by Step Solution
- Step 1: Write the proportion equation
785,855,133.73 : 1,176,330,432.53 = 578,827,309.92 : x - Step 2: Convert to fraction form
785,855,133.73/1,176,330,432.53 = 578,827,309.92/x - Step 3: Cross multiply
785,855,133.73x = 1,176,330,432.53 × 578,827,309.92 - Step 4: Simplify right side
785,855,133.73x = 680,892,179,842,004,992 - Step 5: Solve for x
x = 680,892,179,842,004,992/785,855,133.73 - Step 6: Final answer
x = 866,434,729.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.