Finding the Fourth Proportional to 4,918,806,875.70, 7,378,210,313.55 and 4,444,336,350.90
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Solution
The fourth proportional to 4,918,806,875.70, 7,378,210,313.55 and 4,444,336,350.90 is: 6,666,504,526.35
Step by Step Solution
- Step 1: Write the proportion equation
4,918,806,875.70 : 7,378,210,313.55 = 4,444,336,350.90 : x - Step 2: Convert to fraction form
4,918,806,875.70/7,378,210,313.55 = 4,444,336,350.90/x - Step 3: Cross multiply
4,918,806,875.70x = 7,378,210,313.55 × 4,444,336,350.90 - Step 4: Simplify right side
4,918,806,875.70x = 32,791,248,301,095,550,976 - Step 5: Solve for x
x = 32,791,248,301,095,550,976/4,918,806,875.70 - Step 6: Final answer
x = 6,666,504,526.35
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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.