Home / 580,608,577.40-870,912,866.10-437,281,345.40

Finding the Fourth Proportional to 580,608,577.40, 870,912,866.10 and 437,281,345.40

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Solution

The fourth proportional to 580,608,577.40, 870,912,866.10 and 437,281,345.40 is: 655,922,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,577.40 : 870,912,866.10 = 437,281,345.40 : x
  2. Step 2: Convert to fraction form
    580,608,577.40/870,912,866.10 = 437,281,345.40/x
  3. Step 3: Cross multiply
    580,608,577.40x = 870,912,866.10 × 437,281,345.40
  4. Step 4: Simplify right side
    580,608,577.40x = 380,833,949,814,378,048
  5. Step 5: Solve for x
    x = 380,833,949,814,378,048/580,608,577.40
  6. Step 6: Final answer
    x = 655,922,018.10

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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.