Home / 520,830,528.23-718,746,840.70-282,675,716.32

Finding the Fourth Proportional to 520,830,528.23, 718,746,840.70 and 282,675,716.32

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Solution

The fourth proportional to 520,830,528.23, 718,746,840.70 and 282,675,716.32 is: 390,092,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,830,528.23 : 718,746,840.70 = 282,675,716.32 : x
  2. Step 2: Convert to fraction form
    520,830,528.23/718,746,840.70 = 282,675,716.32/x
  3. Step 3: Cross multiply
    520,830,528.23x = 718,746,840.70 × 282,675,716.32
  4. Step 4: Simplify right side
    520,830,528.23x = 203,172,278,047,609,440
  5. Step 5: Solve for x
    x = 203,172,278,047,609,440/520,830,528.23
  6. Step 6: Final answer
    x = 390,092,874.81

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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.