Home / 209,569,376,769.40-314,354,065,154.10-134,254,833,707.80

Finding the Fourth Proportional to 209,569,376,769.40, 314,354,065,154.10 and 134,254,833,707.80

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Solution

The fourth proportional to 209,569,376,769.40, 314,354,065,154.10 and 134,254,833,707.80 is: 201,382,250,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,569,376,769.40 : 314,354,065,154.10 = 134,254,833,707.80 : x
  2. Step 2: Convert to fraction form
    209,569,376,769.40/314,354,065,154.10 = 134,254,833,707.80/x
  3. Step 3: Cross multiply
    209,569,376,769.40x = 314,354,065,154.10 × 134,254,833,707.80
  4. Step 4: Simplify right side
    209,569,376,769.40x = 42,203,552,742,634,623,598,592
  5. Step 5: Solve for x
    x = 42,203,552,742,634,623,598,592/209,569,376,769.40
  6. Step 6: Final answer
    x = 201,382,250,561.70

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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.