Finding the Fourth Proportional to 921,753,693.04, 1,272,118,673.80 and 564,758,388.54
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Solution
The fourth proportional to 921,753,693.04, 1,272,118,673.80 and 564,758,388.54 is: 779,426,974.55
Step by Step Solution
- Step 1: Write the proportion equation
921,753,693.04 : 1,272,118,673.80 = 564,758,388.54 : x - Step 2: Convert to fraction form
921,753,693.04/1,272,118,673.80 = 564,758,388.54/x - Step 3: Cross multiply
921,753,693.04x = 1,272,118,673.80 × 564,758,388.54 - Step 4: Simplify right side
921,753,693.04x = 718,439,692,246,929,792 - Step 5: Solve for x
x = 718,439,692,246,929,792/921,753,693.04 - Step 6: Final answer
x = 779,426,974.55
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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.