Home / 1,006,697,767.72-1,389,285,977.37-560,661,059.45

Finding the Fourth Proportional to 1,006,697,767.72, 1,389,285,977.37 and 560,661,059.45

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Solution

The fourth proportional to 1,006,697,767.72, 1,389,285,977.37 and 560,661,059.45 is: 773,736,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,697,767.72 : 1,389,285,977.37 = 560,661,059.45 : x
  2. Step 2: Convert to fraction form
    1,006,697,767.72/1,389,285,977.37 = 560,661,059.45/x
  3. Step 3: Cross multiply
    1,006,697,767.72x = 1,389,285,977.37 × 560,661,059.45
  4. Step 4: Simplify right side
    1,006,697,767.72x = 778,918,547,944,346,496
  5. Step 5: Solve for x
    x = 778,918,547,944,346,496/1,006,697,767.72
  6. Step 6: Final answer
    x = 773,736,242.32

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Double scale
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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.