Home / 459,648,711.20-689,473,066.80-152,950,829.60

Finding the Fourth Proportional to 459,648,711.20, 689,473,066.80 and 152,950,829.60

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Solution

The fourth proportional to 459,648,711.20, 689,473,066.80 and 152,950,829.60 is: 229,426,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,648,711.20 : 689,473,066.80 = 152,950,829.60 : x
  2. Step 2: Convert to fraction form
    459,648,711.20/689,473,066.80 = 152,950,829.60/x
  3. Step 3: Cross multiply
    459,648,711.20x = 689,473,066.80 × 152,950,829.60
  4. Step 4: Simplify right side
    459,648,711.20x = 105,455,477,553,916,208
  5. Step 5: Solve for x
    x = 105,455,477,553,916,208/459,648,711.20
  6. Step 6: Final answer
    x = 229,426,244.40

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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.