Home / 977,587,752.80-1,468,082,240.40-518,422,728.80

Finding the Fourth Proportional to 977,587,752.80, 1,468,082,240.40 and 518,422,728.80

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Solution

The fourth proportional to 977,587,752.80, 1,468,082,240.40 and 518,422,728.80 is: 778,535,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,587,752.80 : 1,468,082,240.40 = 518,422,728.80 : x
  2. Step 2: Convert to fraction form
    977,587,752.80/1,468,082,240.40 = 518,422,728.80/x
  3. Step 3: Cross multiply
    977,587,752.80x = 1,468,082,240.40 × 518,422,728.80
  4. Step 4: Simplify right side
    977,587,752.80x = 761,087,201,170,985,728
  5. Step 5: Solve for x
    x = 761,087,201,170,985,728/977,587,752.80
  6. Step 6: Final answer
    x = 778,535,941.14

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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.