Home / 810,286,036.16-1,117,852,322.55-542,448,156.93

Finding the Fourth Proportional to 810,286,036.16, 1,117,852,322.55 and 542,448,156.93

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Solution

The fourth proportional to 810,286,036.16, 1,117,852,322.55 and 542,448,156.93 is: 748,349,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,286,036.16 : 1,117,852,322.55 = 542,448,156.93 : x
  2. Step 2: Convert to fraction form
    810,286,036.16/1,117,852,322.55 = 542,448,156.93/x
  3. Step 3: Cross multiply
    810,286,036.16x = 1,117,852,322.55 × 542,448,156.93
  4. Step 4: Simplify right side
    810,286,036.16x = 606,376,932,087,167,232
  5. Step 5: Solve for x
    x = 606,376,932,087,167,232/810,286,036.16
  6. Step 6: Final answer
    x = 748,349,231.05

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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.