Home / 1,035,485,248.31-1,553,233,678.95-345,390,607.79

Finding the Fourth Proportional to 1,035,485,248.31, 1,553,233,678.95 and 345,390,607.79

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Solution

The fourth proportional to 1,035,485,248.31, 1,553,233,678.95 and 345,390,607.79 is: 518,087,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,485,248.31 : 1,553,233,678.95 = 345,390,607.79 : x
  2. Step 2: Convert to fraction form
    1,035,485,248.31/1,553,233,678.95 = 345,390,607.79/x
  3. Step 3: Cross multiply
    1,035,485,248.31x = 1,553,233,678.95 × 345,390,607.79
  4. Step 4: Simplify right side
    1,035,485,248.31x = 536,472,324,412,438,272
  5. Step 5: Solve for x
    x = 536,472,324,412,438,272/1,035,485,248.31
  6. Step 6: Final answer
    x = 518,087,848.46

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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.