Home / 515,133,507-710,819,718.03-348,232,911.15

Finding the Fourth Proportional to 515,133,507, 710,819,718.03 and 348,232,911.15

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Solution

The fourth proportional to 515,133,507, 710,819,718.03 and 348,232,911.15 is: 480,517,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,133,507 : 710,819,718.03 = 348,232,911.15 : x
  2. Step 2: Convert to fraction form
    515,133,507/710,819,718.03 = 348,232,911.15/x
  3. Step 3: Cross multiply
    515,133,507x = 710,819,718.03 × 348,232,911.15
  4. Step 4: Simplify right side
    515,133,507x = 247,530,819,712,409,024
  5. Step 5: Solve for x
    x = 247,530,819,712,409,024/515,133,507
  6. Step 6: Final answer
    x = 480,517,800.43

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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.