Home / 555,124,129.17-766,071,303.36-307,605,483.33

Finding the Fourth Proportional to 555,124,129.17, 766,071,303.36 and 307,605,483.33

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Solution

The fourth proportional to 555,124,129.17, 766,071,303.36 and 307,605,483.33 is: 424,495,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,124,129.17 : 766,071,303.36 = 307,605,483.33 : x
  2. Step 2: Convert to fraction form
    555,124,129.17/766,071,303.36 = 307,605,483.33/x
  3. Step 3: Cross multiply
    555,124,129.17x = 766,071,303.36 × 307,605,483.33
  4. Step 4: Simplify right side
    555,124,129.17x = 235,647,733,535,295,840
  5. Step 5: Solve for x
    x = 235,647,733,535,295,840/555,124,129.17
  6. Step 6: Final answer
    x = 424,495,569.82

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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.