Home / 65,421,388,106.65-90,281,515,760.93-35,347,872,648.02

Finding the Fourth Proportional to 65,421,388,106.65, 90,281,515,760.93 and 35,347,872,648.02

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Solution

The fourth proportional to 65,421,388,106.65, 90,281,515,760.93 and 35,347,872,648.02 is: 48,780,064,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,421,388,106.65 : 90,281,515,760.93 = 35,347,872,648.02 : x
  2. Step 2: Convert to fraction form
    65,421,388,106.65/90,281,515,760.93 = 35,347,872,648.02/x
  3. Step 3: Cross multiply
    65,421,388,106.65x = 90,281,515,760.93 × 35,347,872,648.02
  4. Step 4: Simplify right side
    65,421,388,106.65x = 3,191,259,521,587,563,462,656
  5. Step 5: Solve for x
    x = 3,191,259,521,587,563,462,656/65,421,388,106.65
  6. Step 6: Final answer
    x = 48,780,064,348.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.