Home / 539,012,488.40-808,518,732.60-470,988,040.40

Finding the Fourth Proportional to 539,012,488.40, 808,518,732.60 and 470,988,040.40

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Solution

The fourth proportional to 539,012,488.40, 808,518,732.60 and 470,988,040.40 is: 706,482,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,012,488.40 : 808,518,732.60 = 470,988,040.40 : x
  2. Step 2: Convert to fraction form
    539,012,488.40/808,518,732.60 = 470,988,040.40/x
  3. Step 3: Cross multiply
    539,012,488.40x = 808,518,732.60 × 470,988,040.40
  4. Step 4: Simplify right side
    539,012,488.40x = 380,802,653,493,965,568
  5. Step 5: Solve for x
    x = 380,802,653,493,965,568/539,012,488.40
  6. Step 6: Final answer
    x = 706,482,060.60

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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.