Home / 686,592,005.10-1,029,888,007.65-169,018,334.70

Finding the Fourth Proportional to 686,592,005.10, 1,029,888,007.65 and 169,018,334.70

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Solution

The fourth proportional to 686,592,005.10, 1,029,888,007.65 and 169,018,334.70 is: 253,527,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,592,005.10 : 1,029,888,007.65 = 169,018,334.70 : x
  2. Step 2: Convert to fraction form
    686,592,005.10/1,029,888,007.65 = 169,018,334.70/x
  3. Step 3: Cross multiply
    686,592,005.10x = 1,029,888,007.65 × 169,018,334.70
  4. Step 4: Simplify right side
    686,592,005.10x = 174,069,955,980,503,840
  5. Step 5: Solve for x
    x = 174,069,955,980,503,840/686,592,005.10
  6. Step 6: Final answer
    x = 253,527,502.05

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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.