Home / 977,619,345.40-1,466,429,018.10-868,780,228.60

Finding the Fourth Proportional to 977,619,345.40, 1,466,429,018.10 and 868,780,228.60

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Solution

The fourth proportional to 977,619,345.40, 1,466,429,018.10 and 868,780,228.60 is: 1,303,170,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,619,345.40 : 1,466,429,018.10 = 868,780,228.60 : x
  2. Step 2: Convert to fraction form
    977,619,345.40/1,466,429,018.10 = 868,780,228.60/x
  3. Step 3: Cross multiply
    977,619,345.40x = 1,466,429,018.10 × 868,780,228.60
  4. Step 4: Simplify right side
    977,619,345.40x = 1,274,004,537,570,591,488
  5. Step 5: Solve for x
    x = 1,274,004,537,570,591,488/977,619,345.40
  6. Step 6: Final answer
    x = 1,303,170,342.90

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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.