Home / 571,333,680.65-787,643,477.10-383,195,595.03

Finding the Fourth Proportional to 571,333,680.65, 787,643,477.10 and 383,195,595.03

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Solution

The fourth proportional to 571,333,680.65, 787,643,477.10 and 383,195,595.03 is: 528,275,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,333,680.65 : 787,643,477.10 = 383,195,595.03 : x
  2. Step 2: Convert to fraction form
    571,333,680.65/787,643,477.10 = 383,195,595.03/x
  3. Step 3: Cross multiply
    571,333,680.65x = 787,643,477.10 × 383,195,595.03
  4. Step 4: Simplify right side
    571,333,680.65x = 301,821,510,878,832,640
  5. Step 5: Solve for x
    x = 301,821,510,878,832,640/571,333,680.65
  6. Step 6: Final answer
    x = 528,275,368.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.