Home / 1,145,172,078.60-1,717,758,117.90-564,041,345.10

Finding the Fourth Proportional to 1,145,172,078.60, 1,717,758,117.90 and 564,041,345.10

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Solution

The fourth proportional to 1,145,172,078.60, 1,717,758,117.90 and 564,041,345.10 is: 846,062,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,172,078.60 : 1,717,758,117.90 = 564,041,345.10 : x
  2. Step 2: Convert to fraction form
    1,145,172,078.60/1,717,758,117.90 = 564,041,345.10/x
  3. Step 3: Cross multiply
    1,145,172,078.60x = 1,717,758,117.90 × 564,041,345.10
  4. Step 4: Simplify right side
    1,145,172,078.60x = 968,886,599,376,760,448
  5. Step 5: Solve for x
    x = 968,886,599,376,760,448/1,145,172,078.60
  6. Step 6: Final answer
    x = 846,062,017.65

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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.