Home / 434,495,417.10-651,743,125.65-127,818,530.70

Finding the Fourth Proportional to 434,495,417.10, 651,743,125.65 and 127,818,530.70

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Solution

The fourth proportional to 434,495,417.10, 651,743,125.65 and 127,818,530.70 is: 191,727,796.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,495,417.10 : 651,743,125.65 = 127,818,530.70 : x
  2. Step 2: Convert to fraction form
    434,495,417.10/651,743,125.65 = 127,818,530.70/x
  3. Step 3: Cross multiply
    434,495,417.10x = 651,743,125.65 × 127,818,530.70
  4. Step 4: Simplify right side
    434,495,417.10x = 83,304,848,714,408,480
  5. Step 5: Solve for x
    x = 83,304,848,714,408,480/434,495,417.10
  6. Step 6: Final answer
    x = 191,727,796.05

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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.