Finding the Fourth Proportional to 426,752,862.60, 640,607,590.80 and 330,136,888.80
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Solution
The fourth proportional to 426,752,862.60, 640,607,590.80 and 330,136,888.80 is: 495,575,344.66
Step by Step Solution
- Step 1: Write the proportion equation
426,752,862.60 : 640,607,590.80 = 330,136,888.80 : x - Step 2: Convert to fraction form
426,752,862.60/640,607,590.80 = 330,136,888.80/x - Step 3: Cross multiply
426,752,862.60x = 640,607,590.80 × 330,136,888.80 - Step 4: Simplify right side
426,752,862.60x = 211,488,196,968,375,488 - Step 5: Solve for x
x = 211,488,196,968,375,488/426,752,862.60 - Step 6: Final answer
x = 495,575,344.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.