Home / 403,039,240,551.35-604,643,767,531.80-130,742,227,863.90

Finding the Fourth Proportional to 403,039,240,551.35, 604,643,767,531.80 and 130,742,227,863.90

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Solution

The fourth proportional to 403,039,240,551.35, 604,643,767,531.80 and 130,742,227,863.90 is: 196,140,884,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,039,240,551.35 : 604,643,767,531.80 = 130,742,227,863.90 : x
  2. Step 2: Convert to fraction form
    403,039,240,551.35/604,643,767,531.80 = 130,742,227,863.90/x
  3. Step 3: Cross multiply
    403,039,240,551.35x = 604,643,767,531.80 × 130,742,227,863.90
  4. Step 4: Simplify right side
    403,039,240,551.35x = 79,052,473,231,129,580,666,880
  5. Step 5: Solve for x
    x = 79,052,473,231,129,580,666,880/403,039,240,551.35
  6. Step 6: Final answer
    x = 196,140,884,751.04

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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.