Home / 314,928,690.80-472,393,036.20-153,685,554.80

Finding the Fourth Proportional to 314,928,690.80, 472,393,036.20 and 153,685,554.80

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Solution

The fourth proportional to 314,928,690.80, 472,393,036.20 and 153,685,554.80 is: 230,528,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,690.80 : 472,393,036.20 = 153,685,554.80 : x
  2. Step 2: Convert to fraction form
    314,928,690.80/472,393,036.20 = 153,685,554.80/x
  3. Step 3: Cross multiply
    314,928,690.80x = 472,393,036.20 × 153,685,554.80
  4. Step 4: Simplify right side
    314,928,690.80x = 72,599,985,852,053,488
  5. Step 5: Solve for x
    x = 72,599,985,852,053,488/314,928,690.80
  6. Step 6: Final answer
    x = 230,528,332.20

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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.