Home / 520,904,229,128.04-718,867,236,322.56-312,365,103,934.14

Finding the Fourth Proportional to 520,904,229,128.04, 718,867,236,322.56 and 312,365,103,934.14

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Solution

The fourth proportional to 520,904,229,128.04, 718,867,236,322.56 and 312,365,103,934.14 is: 431,075,476,896.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,904,229,128.04 : 718,867,236,322.56 = 312,365,103,934.14 : x
  2. Step 2: Convert to fraction form
    520,904,229,128.04/718,867,236,322.56 = 312,365,103,934.14/x
  3. Step 3: Cross multiply
    520,904,229,128.04x = 718,867,236,322.56 × 312,365,103,934.14
  4. Step 4: Simplify right side
    520,904,229,128.04x = 224,549,038,988,744,472,920,064
  5. Step 5: Solve for x
    x = 224,549,038,988,744,472,920,064/520,904,229,128.04
  6. Step 6: Final answer
    x = 431,075,476,896.44

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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.