Home / 1,078,272,021.80-1,617,408,032.70-715,176,367.40

Finding the Fourth Proportional to 1,078,272,021.80, 1,617,408,032.70 and 715,176,367.40

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Solution

The fourth proportional to 1,078,272,021.80, 1,617,408,032.70 and 715,176,367.40 is: 1,072,764,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,272,021.80 : 1,617,408,032.70 = 715,176,367.40 : x
  2. Step 2: Convert to fraction form
    1,078,272,021.80/1,617,408,032.70 = 715,176,367.40/x
  3. Step 3: Cross multiply
    1,078,272,021.80x = 1,617,408,032.70 × 715,176,367.40
  4. Step 4: Simplify right side
    1,078,272,021.80x = 1,156,732,001,429,966,336
  5. Step 5: Solve for x
    x = 1,156,732,001,429,966,336/1,078,272,021.80
  6. Step 6: Final answer
    x = 1,072,764,551.10

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Double scale
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1.5x scale

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.