Finding the Fourth Proportional to 974,148,900.36, 1,344,425,679.40 and 592,698,015.58
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Solution
The fourth proportional to 974,148,900.36, 1,344,425,679.40 and 592,698,015.58 is: 817,984,223.95
Step by Step Solution
- Step 1: Write the proportion equation
974,148,900.36 : 1,344,425,679.40 = 592,698,015.58 : x - Step 2: Convert to fraction form
974,148,900.36/1,344,425,679.40 = 592,698,015.58/x - Step 3: Cross multiply
974,148,900.36x = 1,344,425,679.40 × 592,698,015.58 - Step 4: Simplify right side
974,148,900.36x = 796,838,432,275,173,376 - Step 5: Solve for x
x = 796,838,432,275,173,376/974,148,900.36 - Step 6: Final answer
x = 817,984,223.95
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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.