Home / 474,768,020.20-712,152,030.30-358,370,631.40

Finding the Fourth Proportional to 474,768,020.20, 712,152,030.30 and 358,370,631.40

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Solution

The fourth proportional to 474,768,020.20, 712,152,030.30 and 358,370,631.40 is: 537,555,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,768,020.20 : 712,152,030.30 = 358,370,631.40 : x
  2. Step 2: Convert to fraction form
    474,768,020.20/712,152,030.30 = 358,370,631.40/x
  3. Step 3: Cross multiply
    474,768,020.20x = 712,152,030.30 × 358,370,631.40
  4. Step 4: Simplify right side
    474,768,020.20x = 255,214,372,751,402,912
  5. Step 5: Solve for x
    x = 255,214,372,751,402,912/474,768,020.20
  6. Step 6: Final answer
    x = 537,555,947.10

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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.