Finding the Fourth Proportional to 646,824,283.10, 970,236,424.65 and 355,578,868.70
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Solution
The fourth proportional to 646,824,283.10, 970,236,424.65 and 355,578,868.70 is: 533,368,303.05
Step by Step Solution
- Step 1: Write the proportion equation
646,824,283.10 : 970,236,424.65 = 355,578,868.70 : x - Step 2: Convert to fraction form
646,824,283.10/970,236,424.65 = 355,578,868.70/x - Step 3: Cross multiply
646,824,283.10x = 970,236,424.65 × 355,578,868.70 - Step 4: Simplify right side
646,824,283.10x = 344,995,570,248,579,776 - Step 5: Solve for x
x = 344,995,570,248,579,776/646,824,283.10 - Step 6: Final answer
x = 533,368,303.05
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Similar ratio
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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.