Home / 855,598,013.79-1,180,732,192.70-474,126,421.01

Finding the Fourth Proportional to 855,598,013.79, 1,180,732,192.70 and 474,126,421.01

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Solution

The fourth proportional to 855,598,013.79, 1,180,732,192.70 and 474,126,421.01 is: 654,298,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,598,013.79 : 1,180,732,192.70 = 474,126,421.01 : x
  2. Step 2: Convert to fraction form
    855,598,013.79/1,180,732,192.70 = 474,126,421.01/x
  3. Step 3: Cross multiply
    855,598,013.79x = 1,180,732,192.70 × 474,126,421.01
  4. Step 4: Simplify right side
    855,598,013.79x = 559,816,328,690,521,408
  5. Step 5: Solve for x
    x = 559,816,328,690,521,408/855,598,013.79
  6. Step 6: Final answer
    x = 654,298,303.25

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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.