Finding the Fourth Proportional to 876,834,674.53, 1,210,031,750.27 and 524,410,608.71
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Solution
The fourth proportional to 876,834,674.53, 1,210,031,750.27 and 524,410,608.71 is: 723,686,579.86
Step by Step Solution
- Step 1: Write the proportion equation
876,834,674.53 : 1,210,031,750.27 = 524,410,608.71 : x - Step 2: Convert to fraction form
876,834,674.53/1,210,031,750.27 = 524,410,608.71/x - Step 3: Cross multiply
876,834,674.53x = 1,210,031,750.27 × 524,410,608.71 - Step 4: Simplify right side
876,834,674.53x = 634,553,486,717,517,312 - Step 5: Solve for x
x = 634,553,486,717,517,312/876,834,674.53 - Step 6: Final answer
x = 723,686,579.86
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Double scale
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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.