Home / 430,709,619,308.88-645,486,929,655.84-335,210,955,290.40

Finding the Fourth Proportional to 430,709,619,308.88, 645,486,929,655.84 and 335,210,955,290.40

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Solution

The fourth proportional to 430,709,619,308.88, 645,486,929,655.84 and 335,210,955,290.40 is: 502,366,979,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,709,619,308.88 : 645,486,929,655.84 = 335,210,955,290.40 : x
  2. Step 2: Convert to fraction form
    430,709,619,308.88/645,486,929,655.84 = 335,210,955,290.40/x
  3. Step 3: Cross multiply
    430,709,619,308.88x = 645,486,929,655.84 × 335,210,955,290.40
  4. Step 4: Simplify right side
    430,709,619,308.88x = 216,374,290,317,401,372,229,632
  5. Step 5: Solve for x
    x = 216,374,290,317,401,372,229,632/430,709,619,308.88
  6. Step 6: Final answer
    x = 502,366,979,090.45

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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.