Home / 504,105,862.74-695,648,903.40-278,053,802.98

Finding the Fourth Proportional to 504,105,862.74, 695,648,903.40 and 278,053,802.98

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Solution

The fourth proportional to 504,105,862.74, 695,648,903.40 and 278,053,802.98 is: 383,704,768.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,105,862.74 : 695,648,903.40 = 278,053,802.98 : x
  2. Step 2: Convert to fraction form
    504,105,862.74/695,648,903.40 = 278,053,802.98/x
  3. Step 3: Cross multiply
    504,105,862.74x = 695,648,903.40 × 278,053,802.98
  4. Step 4: Simplify right side
    504,105,862.74x = 193,427,823,129,236,672
  5. Step 5: Solve for x
    x = 193,427,823,129,236,672/504,105,862.74
  6. Step 6: Final answer
    x = 383,704,768.04

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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.