Home / 779,343,440.33-1,075,494,149.67-426,931,959.30

Finding the Fourth Proportional to 779,343,440.33, 1,075,494,149.67 and 426,931,959.30

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Solution

The fourth proportional to 779,343,440.33, 1,075,494,149.67 and 426,931,959.30 is: 589,166,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,343,440.33 : 1,075,494,149.67 = 426,931,959.30 : x
  2. Step 2: Convert to fraction form
    779,343,440.33/1,075,494,149.67 = 426,931,959.30/x
  3. Step 3: Cross multiply
    779,343,440.33x = 1,075,494,149.67 × 426,931,959.30
  4. Step 4: Simplify right side
    779,343,440.33x = 459,162,824,534,300,608
  5. Step 5: Solve for x
    x = 459,162,824,534,300,608/779,343,440.33
  6. Step 6: Final answer
    x = 589,166,214.50

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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.