Home / 543,120,341.76-749,506,030.08-295,603,470.72

Finding the Fourth Proportional to 543,120,341.76, 749,506,030.08 and 295,603,470.72

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Solution

The fourth proportional to 543,120,341.76, 749,506,030.08 and 295,603,470.72 is: 407,932,766.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,120,341.76 : 749,506,030.08 = 295,603,470.72 : x
  2. Step 2: Convert to fraction form
    543,120,341.76/749,506,030.08 = 295,603,470.72/x
  3. Step 3: Cross multiply
    543,120,341.76x = 749,506,030.08 × 295,603,470.72
  4. Step 4: Simplify right side
    543,120,341.76x = 221,556,583,817,216,768
  5. Step 5: Solve for x
    x = 221,556,583,817,216,768/543,120,341.76
  6. Step 6: Final answer
    x = 407,932,766.98

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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.