Home / 977,597,496.80-1,468,096,856.40-518,432,472.80

Finding the Fourth Proportional to 977,597,496.80, 1,468,096,856.40 and 518,432,472.80

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Solution

The fourth proportional to 977,597,496.80, 1,468,096,856.40 and 518,432,472.80 is: 778,550,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,597,496.80 : 1,468,096,856.40 = 518,432,472.80 : x
  2. Step 2: Convert to fraction form
    977,597,496.80/1,468,096,856.40 = 518,432,472.80/x
  3. Step 3: Cross multiply
    977,597,496.80x = 1,468,096,856.40 × 518,432,472.80
  4. Step 4: Simplify right side
    977,597,496.80x = 761,109,083,573,358,592
  5. Step 5: Solve for x
    x = 761,109,083,573,358,592/977,597,496.80
  6. Step 6: Final answer
    x = 778,550,565.10

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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.