Finding the Fourth Proportional to 944,784,397.63, 1,303,800,543.98 and 527,071,771.63
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Solution
The fourth proportional to 944,784,397.63, 1,303,800,543.98 and 527,071,771.63 is: 727,357,971.08
Step by Step Solution
- Step 1: Write the proportion equation
944,784,397.63 : 1,303,800,543.98 = 527,071,771.63 : x - Step 2: Convert to fraction form
944,784,397.63/1,303,800,543.98 = 527,071,771.63/x - Step 3: Cross multiply
944,784,397.63x = 1,303,800,543.98 × 527,071,771.63 - Step 4: Simplify right side
944,784,397.63x = 687,196,462,567,696,384 - Step 5: Solve for x
x = 687,196,462,567,696,384/944,784,397.63 - Step 6: Final answer
x = 727,357,971.08
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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.