Home / 314,928,700.30-472,393,050.45-286,207,266.70

Finding the Fourth Proportional to 314,928,700.30, 472,393,050.45 and 286,207,266.70

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Solution

The fourth proportional to 314,928,700.30, 472,393,050.45 and 286,207,266.70 is: 429,310,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,700.30 : 472,393,050.45 = 286,207,266.70 : x
  2. Step 2: Convert to fraction form
    314,928,700.30/472,393,050.45 = 286,207,266.70/x
  3. Step 3: Cross multiply
    314,928,700.30x = 472,393,050.45 × 286,207,266.70
  4. Step 4: Simplify right side
    314,928,700.30x = 135,202,323,777,369,696
  5. Step 5: Solve for x
    x = 135,202,323,777,369,696/314,928,700.30
  6. Step 6: Final answer
    x = 429,310,900.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.