Finding the Fourth Proportional to 885,808,465.80, 1,328,712,698.70 and 541,434,697.80
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Solution
The fourth proportional to 885,808,465.80, 1,328,712,698.70 and 541,434,697.80 is: 812,152,046.70
Step by Step Solution
- Step 1: Write the proportion equation
885,808,465.80 : 1,328,712,698.70 = 541,434,697.80 : x - Step 2: Convert to fraction form
885,808,465.80/1,328,712,698.70 = 541,434,697.80/x - Step 3: Cross multiply
885,808,465.80x = 1,328,712,698.70 × 541,434,697.80 - Step 4: Simplify right side
885,808,465.80x = 719,411,158,483,656,960 - Step 5: Solve for x
x = 719,411,158,483,656,960/885,808,465.80 - Step 6: Final answer
x = 812,152,046.70
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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.