Home / 679,111,001.60-1,018,666,502.40-543,062,105.60

Finding the Fourth Proportional to 679,111,001.60, 1,018,666,502.40 and 543,062,105.60

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Solution

The fourth proportional to 679,111,001.60, 1,018,666,502.40 and 543,062,105.60 is: 814,593,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,111,001.60 : 1,018,666,502.40 = 543,062,105.60 : x
  2. Step 2: Convert to fraction form
    679,111,001.60/1,018,666,502.40 = 543,062,105.60/x
  3. Step 3: Cross multiply
    679,111,001.60x = 1,018,666,502.40 × 543,062,105.60
  4. Step 4: Simplify right side
    679,111,001.60x = 553,199,175,697,531,456
  5. Step 5: Solve for x
    x = 553,199,175,697,531,456/679,111,001.60
  6. Step 6: Final answer
    x = 814,593,158.40

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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.