Home / 570,403,304,809.47-787,175,438,298.12-313,495,308,274.95

Finding the Fourth Proportional to 570,403,304,809.47, 787,175,438,298.12 and 313,495,308,274.95

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Solution

The fourth proportional to 570,403,304,809.47, 787,175,438,298.12 and 313,495,308,274.95 is: 432,633,900,636.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,403,304,809.47 : 787,175,438,298.12 = 313,495,308,274.95 : x
  2. Step 2: Convert to fraction form
    570,403,304,809.47/787,175,438,298.12 = 313,495,308,274.95/x
  3. Step 3: Cross multiply
    570,403,304,809.47x = 787,175,438,298.12 × 313,495,308,274.95
  4. Step 4: Simplify right side
    570,403,304,809.47x = 246,775,806,695,738,020,200,448
  5. Step 5: Solve for x
    x = 246,775,806,695,738,020,200,448/570,403,304,809.47
  6. Step 6: Final answer
    x = 432,633,900,636.62

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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.