Finding the Fourth Proportional to 431,128,372.11, 646,746,339.95 and 168,779,034.90
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Solution
The fourth proportional to 431,128,372.11, 646,746,339.95 and 168,779,034.90 is: 253,189,606.95
Step by Step Solution
- Step 1: Write the proportion equation
431,128,372.11 : 646,746,339.95 = 168,779,034.90 : x - Step 2: Convert to fraction form
431,128,372.11/646,746,339.95 = 168,779,034.90/x - Step 3: Cross multiply
431,128,372.11x = 646,746,339.95 × 168,779,034.90 - Step 4: Simplify right side
431,128,372.11x = 109,157,223,081,024,432 - Step 5: Solve for x
x = 109,157,223,081,024,432/431,128,372.11 - Step 6: Final answer
x = 253,189,606.95
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