Home / 977,887,534.80-1,466,831,302.20-322,939,646.40

Finding the Fourth Proportional to 977,887,534.80, 1,466,831,302.20 and 322,939,646.40

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Solution

The fourth proportional to 977,887,534.80, 1,466,831,302.20 and 322,939,646.40 is: 484,409,469.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,887,534.80 : 1,466,831,302.20 = 322,939,646.40 : x
  2. Step 2: Convert to fraction form
    977,887,534.80/1,466,831,302.20 = 322,939,646.40/x
  3. Step 3: Cross multiply
    977,887,534.80x = 1,466,831,302.20 × 322,939,646.40
  4. Step 4: Simplify right side
    977,887,534.80x = 473,697,982,060,919,552
  5. Step 5: Solve for x
    x = 473,697,982,060,919,552/977,887,534.80
  6. Step 6: Final answer
    x = 484,409,469.60

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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.