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Finding the Fourth Proportional to 1,249,731,606.90, 1,874,597,410.35 and 1,249,731,606.90

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Solution

The fourth proportional to 1,249,731,606.90, 1,874,597,410.35 and 1,249,731,606.90 is: 1,874,597,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,731,606.90 : 1,874,597,410.35 = 1,249,731,606.90 : x
  2. Step 2: Convert to fraction form
    1,249,731,606.90/1,874,597,410.35 = 1,249,731,606.90/x
  3. Step 3: Cross multiply
    1,249,731,606.90x = 1,874,597,410.35 × 1,249,731,606.90
  4. Step 4: Simplify right side
    1,249,731,606.90x = 2,342,743,633,927,284,224
  5. Step 5: Solve for x
    x = 2,342,743,633,927,284,224/1,249,731,606.90
  6. Step 6: Final answer
    x = 1,874,597,410.35

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Double scale
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1.5x scale

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.