Home / 786,669,130.68-1,085,597,203.50-456,674,952.12

Finding the Fourth Proportional to 786,669,130.68, 1,085,597,203.50 and 456,674,952.12

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Solution

The fourth proportional to 786,669,130.68, 1,085,597,203.50 and 456,674,952.12 is: 630,207,836.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,669,130.68 : 1,085,597,203.50 = 456,674,952.12 : x
  2. Step 2: Convert to fraction form
    786,669,130.68/1,085,597,203.50 = 456,674,952.12/x
  3. Step 3: Cross multiply
    786,669,130.68x = 1,085,597,203.50 × 456,674,952.12
  4. Step 4: Simplify right side
    786,669,130.68x = 495,765,050,929,968,384
  5. Step 5: Solve for x
    x = 495,765,050,929,968,384/786,669,130.68
  6. Step 6: Final answer
    x = 630,207,836.55

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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.