Home / 1,553,870,130.30-2,330,431,947.45-897,401,547.90

Finding the Fourth Proportional to 1,553,870,130.30, 2,330,431,947.45 and 897,401,547.90

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Solution

The fourth proportional to 1,553,870,130.30, 2,330,431,947.45 and 897,401,547.90 is: 1,345,886,761.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,870,130.30 : 2,330,431,947.45 = 897,401,547.90 : x
  2. Step 2: Convert to fraction form
    1,553,870,130.30/2,330,431,947.45 = 897,401,547.90/x
  3. Step 3: Cross multiply
    1,553,870,130.30x = 2,330,431,947.45 × 897,401,547.90
  4. Step 4: Simplify right side
    1,553,870,130.30x = 2,091,333,236,917,241,344
  5. Step 5: Solve for x
    x = 2,091,333,236,917,241,344/1,553,870,130.30
  6. Step 6: Final answer
    x = 1,345,886,761.15

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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.