Home / 1,018,564,349,554.60-1,405,623,172,337.90-555,601,477,167.20

Finding the Fourth Proportional to 1,018,564,349,554.60, 1,405,623,172,337.90 and 555,601,477,167.20

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Solution

The fourth proportional to 1,018,564,349,554.60, 1,405,623,172,337.90 and 555,601,477,167.20 is: 766,732,422,190.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,564,349,554.60 : 1,405,623,172,337.90 = 555,601,477,167.20 : x
  2. Step 2: Convert to fraction form
    1,018,564,349,554.60/1,405,623,172,337.90 = 555,601,477,167.20/x
  3. Step 3: Cross multiply
    1,018,564,349,554.60x = 1,405,623,172,337.90 × 555,601,477,167.20
  4. Step 4: Simplify right side
    1,018,564,349,554.60x = 780,966,310,891,382,827,384,832
  5. Step 5: Solve for x
    x = 780,966,310,891,382,827,384,832/1,018,564,349,554.60
  6. Step 6: Final answer
    x = 766,732,422,190.98

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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.