Home / 977,587,928.80-1,468,082,504.40-518,422,904.80

Finding the Fourth Proportional to 977,587,928.80, 1,468,082,504.40 and 518,422,904.80

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Solution

The fourth proportional to 977,587,928.80, 1,468,082,504.40 and 518,422,904.80 is: 778,536,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,587,928.80 : 1,468,082,504.40 = 518,422,904.80 : x
  2. Step 2: Convert to fraction form
    977,587,928.80/1,468,082,504.40 = 518,422,904.80/x
  3. Step 3: Cross multiply
    977,587,928.80x = 1,468,082,504.40 × 518,422,904.80
  4. Step 4: Simplify right side
    977,587,928.80x = 761,087,596,417,106,816
  5. Step 5: Solve for x
    x = 761,087,596,417,106,816/977,587,928.80
  6. Step 6: Final answer
    x = 778,536,205.28

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1.5x scale

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.