Home / 817,242,644.16-1,127,818,666.44-445,988,588.76

Finding the Fourth Proportional to 817,242,644.16, 1,127,818,666.44 and 445,988,588.76

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Solution

The fourth proportional to 817,242,644.16, 1,127,818,666.44 and 445,988,588.76 is: 615,477,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,242,644.16 : 1,127,818,666.44 = 445,988,588.76 : x
  2. Step 2: Convert to fraction form
    817,242,644.16/1,127,818,666.44 = 445,988,588.76/x
  3. Step 3: Cross multiply
    817,242,644.16x = 1,127,818,666.44 × 445,988,588.76
  4. Step 4: Simplify right side
    817,242,644.16x = 502,994,255,422,760,768
  5. Step 5: Solve for x
    x = 502,994,255,422,760,768/817,242,644.16
  6. Step 6: Final answer
    x = 615,477,250.26

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Double scale
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1.5x scale

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.