Finding the Fourth Proportional to 956,164,188.96, 1,319,509,313.67 and 554,356,024.74
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Solution
The fourth proportional to 956,164,188.96, 1,319,509,313.67 and 554,356,024.74 is: 765,012,898.60
Step by Step Solution
- Step 1: Write the proportion equation
956,164,188.96 : 1,319,509,313.67 = 554,356,024.74 : x - Step 2: Convert to fraction form
956,164,188.96/1,319,509,313.67 = 554,356,024.74/x - Step 3: Cross multiply
956,164,188.96x = 1,319,509,313.67 × 554,356,024.74 - Step 4: Simplify right side
956,164,188.96x = 731,477,937,733,506,944 - Step 5: Solve for x
x = 731,477,937,733,506,944/956,164,188.96 - Step 6: Final answer
x = 765,012,898.60
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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.