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Finding the Fourth Proportional to 1,062,885,655.80, 1,594,328,483.70 and 672,595,385.40

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Solution

The fourth proportional to 1,062,885,655.80, 1,594,328,483.70 and 672,595,385.40 is: 1,008,893,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,885,655.80 : 1,594,328,483.70 = 672,595,385.40 : x
  2. Step 2: Convert to fraction form
    1,062,885,655.80/1,594,328,483.70 = 672,595,385.40/x
  3. Step 3: Cross multiply
    1,062,885,655.80x = 1,594,328,483.70 × 672,595,385.40
  4. Step 4: Simplify right side
    1,062,885,655.80x = 1,072,337,980,948,399,104
  5. Step 5: Solve for x
    x = 1,072,337,980,948,399,104/1,062,885,655.80
  6. Step 6: Final answer
    x = 1,008,893,078.10

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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.