Home / 528,486,443.64-792,831,753.12-200,936,488.20

Finding the Fourth Proportional to 528,486,443.64, 792,831,753.12 and 200,936,488.20

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Solution

The fourth proportional to 528,486,443.64, 792,831,753.12 and 200,936,488.20 is: 301,443,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,486,443.64 : 792,831,753.12 = 200,936,488.20 : x
  2. Step 2: Convert to fraction form
    528,486,443.64/792,831,753.12 = 200,936,488.20/x
  3. Step 3: Cross multiply
    528,486,443.64x = 792,831,753.12 × 200,936,488.20
  4. Step 4: Simplify right side
    528,486,443.64x = 159,308,828,205,382,176
  5. Step 5: Solve for x
    x = 159,308,828,205,382,176/528,486,443.64
  6. Step 6: Final answer
    x = 301,443,547.18

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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.