Home / 403,039,240,550.10-604,643,767,529.90-130,742,227,862.65

Finding the Fourth Proportional to 403,039,240,550.10, 604,643,767,529.90 and 130,742,227,862.65

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Solution

The fourth proportional to 403,039,240,550.10, 604,643,767,529.90 and 130,742,227,862.65 is: 196,140,884,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,039,240,550.10 : 604,643,767,529.90 = 130,742,227,862.65 : x
  2. Step 2: Convert to fraction form
    403,039,240,550.10/604,643,767,529.90 = 130,742,227,862.65/x
  3. Step 3: Cross multiply
    403,039,240,550.10x = 604,643,767,529.90 × 130,742,227,862.65
  4. Step 4: Simplify right side
    403,039,240,550.10x = 79,052,473,230,125,363,625,984
  5. Step 5: Solve for x
    x = 79,052,473,230,125,363,625,984/403,039,240,550.10
  6. Step 6: Final answer
    x = 196,140,884,749.16

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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.