Home / 746,518,916.40-1,119,778,374.60-261,893,713.20

Finding the Fourth Proportional to 746,518,916.40, 1,119,778,374.60 and 261,893,713.20

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Solution

The fourth proportional to 746,518,916.40, 1,119,778,374.60 and 261,893,713.20 is: 392,840,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,518,916.40 : 1,119,778,374.60 = 261,893,713.20 : x
  2. Step 2: Convert to fraction form
    746,518,916.40/1,119,778,374.60 = 261,893,713.20/x
  3. Step 3: Cross multiply
    746,518,916.40x = 1,119,778,374.60 × 261,893,713.20
  4. Step 4: Simplify right side
    746,518,916.40x = 293,262,916,485,054,528
  5. Step 5: Solve for x
    x = 293,262,916,485,054,528/746,518,916.40
  6. Step 6: Final answer
    x = 392,840,569.80

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1.5x scale

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.