Home / 932,403,800.12-1,286,710,698.48-509,017,461.30

Finding the Fourth Proportional to 932,403,800.12, 1,286,710,698.48 and 509,017,461.30

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Solution

The fourth proportional to 932,403,800.12, 1,286,710,698.48 and 509,017,461.30 is: 702,440,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,403,800.12 : 1,286,710,698.48 = 509,017,461.30 : x
  2. Step 2: Convert to fraction form
    932,403,800.12/1,286,710,698.48 = 509,017,461.30/x
  3. Step 3: Cross multiply
    932,403,800.12x = 1,286,710,698.48 × 509,017,461.30
  4. Step 4: Simplify right side
    932,403,800.12x = 654,958,213,158,860,672
  5. Step 5: Solve for x
    x = 654,958,213,158,860,672/932,403,800.12
  6. Step 6: Final answer
    x = 702,440,523.17

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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.