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Finding the Fourth Proportional to 1,329,698,386.35, 1,994,547,579.53 and 1,329,698,386.35

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Solution

The fourth proportional to 1,329,698,386.35, 1,994,547,579.53 and 1,329,698,386.35 is: 1,994,547,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,698,386.35 : 1,994,547,579.53 = 1,329,698,386.35 : x
  2. Step 2: Convert to fraction form
    1,329,698,386.35/1,994,547,579.53 = 1,329,698,386.35/x
  3. Step 3: Cross multiply
    1,329,698,386.35x = 1,994,547,579.53 × 1,329,698,386.35
  4. Step 4: Simplify right side
    1,329,698,386.35x = 2,652,146,697,992,690,688
  5. Step 5: Solve for x
    x = 2,652,146,697,992,690,688/1,329,698,386.35
  6. Step 6: Final answer
    x = 1,994,547,579.53

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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.