Home / 761,778,229.86-1,050,191,287.65-510,927,449.04

Finding the Fourth Proportional to 761,778,229.86, 1,050,191,287.65 and 510,927,449.04

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Solution

The fourth proportional to 761,778,229.86, 1,050,191,287.65 and 510,927,449.04 is: 704,367,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,778,229.86 : 1,050,191,287.65 = 510,927,449.04 : x
  2. Step 2: Convert to fraction form
    761,778,229.86/1,050,191,287.65 = 510,927,449.04/x
  3. Step 3: Cross multiply
    761,778,229.86x = 1,050,191,287.65 × 510,927,449.04
  4. Step 4: Simplify right side
    761,778,229.86x = 536,571,555,603,047,360
  5. Step 5: Solve for x
    x = 536,571,555,603,047,360/761,778,229.86
  6. Step 6: Final answer
    x = 704,367,143.31

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Double scale
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1.5x scale

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.