Home / 689,905,063.40-1,034,857,595.10-553,856,167.40

Finding the Fourth Proportional to 689,905,063.40, 1,034,857,595.10 and 553,856,167.40

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Solution

The fourth proportional to 689,905,063.40, 1,034,857,595.10 and 553,856,167.40 is: 830,784,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,905,063.40 : 1,034,857,595.10 = 553,856,167.40 : x
  2. Step 2: Convert to fraction form
    689,905,063.40/1,034,857,595.10 = 553,856,167.40/x
  3. Step 3: Cross multiply
    689,905,063.40x = 1,034,857,595.10 × 553,856,167.40
  4. Step 4: Simplify right side
    689,905,063.40x = 573,162,261,426,867,008
  5. Step 5: Solve for x
    x = 573,162,261,426,867,008/689,905,063.40
  6. Step 6: Final answer
    x = 830,784,251.10

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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.