Home / 977,586,200.30-1,468,079,911.65-518,421,176.30

Finding the Fourth Proportional to 977,586,200.30, 1,468,079,911.65 and 518,421,176.30

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Solution

The fourth proportional to 977,586,200.30, 1,468,079,911.65 and 518,421,176.30 is: 778,533,611.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,586,200.30 : 1,468,079,911.65 = 518,421,176.30 : x
  2. Step 2: Convert to fraction form
    977,586,200.30/1,468,079,911.65 = 518,421,176.30/x
  3. Step 3: Cross multiply
    977,586,200.30x = 1,468,079,911.65 × 518,421,176.30
  4. Step 4: Simplify right side
    977,586,200.30x = 761,083,714,699,993,088
  5. Step 5: Solve for x
    x = 761,083,714,699,993,088/977,586,200.30
  6. Step 6: Final answer
    x = 778,533,611.12

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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.