Home / 442,458,386.20-663,687,579.30-155,244,050.20

Finding the Fourth Proportional to 442,458,386.20, 663,687,579.30 and 155,244,050.20

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Solution

The fourth proportional to 442,458,386.20, 663,687,579.30 and 155,244,050.20 is: 232,866,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,458,386.20 : 663,687,579.30 = 155,244,050.20 : x
  2. Step 2: Convert to fraction form
    442,458,386.20/663,687,579.30 = 155,244,050.20/x
  3. Step 3: Cross multiply
    442,458,386.20x = 663,687,579.30 × 155,244,050.20
  4. Step 4: Simplify right side
    442,458,386.20x = 103,033,547,877,965,664
  5. Step 5: Solve for x
    x = 103,033,547,877,965,664/442,458,386.20
  6. Step 6: Final answer
    x = 232,866,075.30

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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.