Home / 432,369,698.96-648,282,077.40-366,813,742.16

Finding the Fourth Proportional to 432,369,698.96, 648,282,077.40 and 366,813,742.16

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Solution

The fourth proportional to 432,369,698.96, 648,282,077.40 and 366,813,742.16 is: 549,989,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,369,698.96 : 648,282,077.40 = 366,813,742.16 : x
  2. Step 2: Convert to fraction form
    432,369,698.96/648,282,077.40 = 366,813,742.16/x
  3. Step 3: Cross multiply
    432,369,698.96x = 648,282,077.40 × 366,813,742.16
  4. Step 4: Simplify right side
    432,369,698.96x = 237,798,774,786,352,768
  5. Step 5: Solve for x
    x = 237,798,774,786,352,768/432,369,698.96
  6. Step 6: Final answer
    x = 549,989,454.30

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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.