Home / 495,044,304.64-683,121,146.80-286,213,905.12

Finding the Fourth Proportional to 495,044,304.64, 683,121,146.80 and 286,213,905.12

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Solution

The fourth proportional to 495,044,304.64, 683,121,146.80 and 286,213,905.12 is: 394,952,066.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,044,304.64 : 683,121,146.80 = 286,213,905.12 : x
  2. Step 2: Convert to fraction form
    495,044,304.64/683,121,146.80 = 286,213,905.12/x
  3. Step 3: Cross multiply
    495,044,304.64x = 683,121,146.80 × 286,213,905.12
  4. Step 4: Simplify right side
    495,044,304.64x = 195,518,771,095,680,768
  5. Step 5: Solve for x
    x = 195,518,771,095,680,768/495,044,304.64
  6. Step 6: Final answer
    x = 394,952,066.44

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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.