Home / 727,668,045.90-1,091,502,068.85-290,752,685.10

Finding the Fourth Proportional to 727,668,045.90, 1,091,502,068.85 and 290,752,685.10

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Solution

The fourth proportional to 727,668,045.90, 1,091,502,068.85 and 290,752,685.10 is: 436,129,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,668,045.90 : 1,091,502,068.85 = 290,752,685.10 : x
  2. Step 2: Convert to fraction form
    727,668,045.90/1,091,502,068.85 = 290,752,685.10/x
  3. Step 3: Cross multiply
    727,668,045.90x = 1,091,502,068.85 × 290,752,685.10
  4. Step 4: Simplify right side
    727,668,045.90x = 317,357,157,310,342,592
  5. Step 5: Solve for x
    x = 317,357,157,310,342,592/727,668,045.90
  6. Step 6: Final answer
    x = 436,129,027.65

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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.