Home / 768,237,439.31-1,060,193,362.04-470,822,210.20

Finding the Fourth Proportional to 768,237,439.31, 1,060,193,362.04 and 470,822,210.20

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Solution

The fourth proportional to 768,237,439.31, 1,060,193,362.04 and 470,822,210.20 is: 649,750,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,237,439.31 : 1,060,193,362.04 = 470,822,210.20 : x
  2. Step 2: Convert to fraction form
    768,237,439.31/1,060,193,362.04 = 470,822,210.20/x
  3. Step 3: Cross multiply
    768,237,439.31x = 1,060,193,362.04 × 470,822,210.20
  4. Step 4: Simplify right side
    768,237,439.31x = 499,162,581,955,041,536
  5. Step 5: Solve for x
    x = 499,162,581,955,041,536/768,237,439.31
  6. Step 6: Final answer
    x = 649,750,398.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.