Home / 537,312,837.60-805,969,256.40-196,866,424.80

Finding the Fourth Proportional to 537,312,837.60, 805,969,256.40 and 196,866,424.80

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Solution

The fourth proportional to 537,312,837.60, 805,969,256.40 and 196,866,424.80 is: 295,299,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,312,837.60 : 805,969,256.40 = 196,866,424.80 : x
  2. Step 2: Convert to fraction form
    537,312,837.60/805,969,256.40 = 196,866,424.80/x
  3. Step 3: Cross multiply
    537,312,837.60x = 805,969,256.40 × 196,866,424.80
  4. Step 4: Simplify right side
    537,312,837.60x = 158,668,286,006,182,528
  5. Step 5: Solve for x
    x = 158,668,286,006,182,528/537,312,837.60
  6. Step 6: Final answer
    x = 295,299,637.20

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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.