Home / 3,545,871,762.40-5,318,807,643.60-1,913,285,010.40

Finding the Fourth Proportional to 3,545,871,762.40, 5,318,807,643.60 and 1,913,285,010.40

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Solution

The fourth proportional to 3,545,871,762.40, 5,318,807,643.60 and 1,913,285,010.40 is: 2,869,927,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545,871,762.40 : 5,318,807,643.60 = 1,913,285,010.40 : x
  2. Step 2: Convert to fraction form
    3,545,871,762.40/5,318,807,643.60 = 1,913,285,010.40/x
  3. Step 3: Cross multiply
    3,545,871,762.40x = 5,318,807,643.60 × 1,913,285,010.40
  4. Step 4: Simplify right side
    3,545,871,762.40x = 10,176,394,937,700,827,136
  5. Step 5: Solve for x
    x = 10,176,394,937,700,827,136/3,545,871,762.40
  6. Step 6: Final answer
    x = 2,869,927,515.60

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Double scale
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Similar ratio
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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.