Finding the Fourth Proportional to 1,038,134,445.26, 1,432,634,468.49 and 592,120,400.36
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Solution
The fourth proportional to 1,038,134,445.26, 1,432,634,468.49 and 592,120,400.36 is: 817,131,248.19
Step by Step Solution
- Step 1: Write the proportion equation
1,038,134,445.26 : 1,432,634,468.49 = 592,120,400.36 : x - Step 2: Convert to fraction form
1,038,134,445.26/1,432,634,468.49 = 592,120,400.36/x - Step 3: Cross multiply
1,038,134,445.26x = 1,432,634,468.49 × 592,120,400.36 - Step 4: Simplify right side
1,038,134,445.26x = 848,292,095,044,671,488 - Step 5: Solve for x
x = 848,292,095,044,671,488/1,038,134,445.26 - Step 6: Final answer
x = 817,131,248.19
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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.