Home / 403,039,240,428.70-604,643,767,347.17-130,742,227,735.97

Finding the Fourth Proportional to 403,039,240,428.70, 604,643,767,347.17 and 130,742,227,735.97

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Solution

The fourth proportional to 403,039,240,428.70, 604,643,767,347.17 and 130,742,227,735.97 is: 196,140,884,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,039,240,428.70 : 604,643,767,347.17 = 130,742,227,735.97 : x
  2. Step 2: Convert to fraction form
    403,039,240,428.70/604,643,767,347.17 = 130,742,227,735.97/x
  3. Step 3: Cross multiply
    403,039,240,428.70x = 604,643,767,347.17 × 130,742,227,735.97
  4. Step 4: Simplify right side
    403,039,240,428.70x = 79,052,473,129,638,563,938,304
  5. Step 5: Solve for x
    x = 79,052,473,129,638,563,938,304/403,039,240,428.70
  6. Step 6: Final answer
    x = 196,140,884,558.92

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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.