Home / 651,671,480.80-977,507,221.20-376,172,466.40

Finding the Fourth Proportional to 651,671,480.80, 977,507,221.20 and 376,172,466.40

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Solution

The fourth proportional to 651,671,480.80, 977,507,221.20 and 376,172,466.40 is: 564,258,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,671,480.80 : 977,507,221.20 = 376,172,466.40 : x
  2. Step 2: Convert to fraction form
    651,671,480.80/977,507,221.20 = 376,172,466.40/x
  3. Step 3: Cross multiply
    651,671,480.80x = 977,507,221.20 × 376,172,466.40
  4. Step 4: Simplify right side
    651,671,480.80x = 367,711,302,322,614,336
  5. Step 5: Solve for x
    x = 367,711,302,322,614,336/651,671,480.80
  6. Step 6: Final answer
    x = 564,258,699.60

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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.