Home / 679,912,043.20-1,019,868,064.80-435,024,030.40

Finding the Fourth Proportional to 679,912,043.20, 1,019,868,064.80 and 435,024,030.40

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Solution

The fourth proportional to 679,912,043.20, 1,019,868,064.80 and 435,024,030.40 is: 652,536,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,912,043.20 : 1,019,868,064.80 = 435,024,030.40 : x
  2. Step 2: Convert to fraction form
    679,912,043.20/1,019,868,064.80 = 435,024,030.40/x
  3. Step 3: Cross multiply
    679,912,043.20x = 1,019,868,064.80 × 435,024,030.40
  4. Step 4: Simplify right side
    679,912,043.20x = 443,667,116,025,544,320
  5. Step 5: Solve for x
    x = 443,667,116,025,544,320/679,912,043.20
  6. Step 6: Final answer
    x = 652,536,045.60

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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.