Home / 986,953,009.60-1,480,996,384.80-373,977,150.40

Finding the Fourth Proportional to 986,953,009.60, 1,480,996,384.80 and 373,977,150.40

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Solution

The fourth proportional to 986,953,009.60, 1,480,996,384.80 and 373,977,150.40 is: 561,180,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,953,009.60 : 1,480,996,384.80 = 373,977,150.40 : x
  2. Step 2: Convert to fraction form
    986,953,009.60/1,480,996,384.80 = 373,977,150.40/x
  3. Step 3: Cross multiply
    986,953,009.60x = 1,480,996,384.80 × 373,977,150.40
  4. Step 4: Simplify right side
    986,953,009.60x = 553,858,807,740,205,824
  5. Step 5: Solve for x
    x = 553,858,807,740,205,824/986,953,009.60
  6. Step 6: Final answer
    x = 561,180,524.66

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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.