Home / 786,024,923.40-1,179,037,385.10-495,220,408.20

Finding the Fourth Proportional to 786,024,923.40, 1,179,037,385.10 and 495,220,408.20

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Solution

The fourth proportional to 786,024,923.40, 1,179,037,385.10 and 495,220,408.20 is: 742,830,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,024,923.40 : 1,179,037,385.10 = 495,220,408.20 : x
  2. Step 2: Convert to fraction form
    786,024,923.40/1,179,037,385.10 = 495,220,408.20/x
  3. Step 3: Cross multiply
    786,024,923.40x = 1,179,037,385.10 × 495,220,408.20
  4. Step 4: Simplify right side
    786,024,923.40x = 583,883,375,132,282,496
  5. Step 5: Solve for x
    x = 583,883,375,132,282,496/786,024,923.40
  6. Step 6: Final answer
    x = 742,830,612.30

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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.