Home / 1,570,979,118.75-2,356,480,487.93-697,345,620.81

Finding the Fourth Proportional to 1,570,979,118.75, 2,356,480,487.93 and 697,345,620.81

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Solution

The fourth proportional to 1,570,979,118.75, 2,356,480,487.93 and 697,345,620.81 is: 1,046,023,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,979,118.75 : 2,356,480,487.93 = 697,345,620.81 : x
  2. Step 2: Convert to fraction form
    1,570,979,118.75/2,356,480,487.93 = 697,345,620.81/x
  3. Step 3: Cross multiply
    1,570,979,118.75x = 2,356,480,487.93 × 697,345,620.81
  4. Step 4: Simplify right side
    1,570,979,118.75x = 1,643,281,348,778,710,784
  5. Step 5: Solve for x
    x = 1,643,281,348,778,710,784/1,570,979,118.75
  6. Step 6: Final answer
    x = 1,046,023,673.49

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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.