Home / 403,039,240,549.10-604,643,767,528.40-130,742,227,861.65

Finding the Fourth Proportional to 403,039,240,549.10, 604,643,767,528.40 and 130,742,227,861.65

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Solution

The fourth proportional to 403,039,240,549.10, 604,643,767,528.40 and 130,742,227,861.65 is: 196,140,884,747.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,039,240,549.10 : 604,643,767,528.40 = 130,742,227,861.65 : x
  2. Step 2: Convert to fraction form
    403,039,240,549.10/604,643,767,528.40 = 130,742,227,861.65/x
  3. Step 3: Cross multiply
    403,039,240,549.10x = 604,643,767,528.40 × 130,742,227,861.65
  4. Step 4: Simplify right side
    403,039,240,549.10x = 79,052,473,229,324,603,883,520
  5. Step 5: Solve for x
    x = 79,052,473,229,324,603,883,520/403,039,240,549.10
  6. Step 6: Final answer
    x = 196,140,884,747.66

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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.