Home / 1,375,501,643.20-1,898,184,182.46-748,968,571

Finding the Fourth Proportional to 1,375,501,643.20, 1,898,184,182.46 and 748,968,571

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Solution

The fourth proportional to 1,375,501,643.20, 1,898,184,182.46 and 748,968,571 is: 1,033,572,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,501,643.20 : 1,898,184,182.46 = 748,968,571 : x
  2. Step 2: Convert to fraction form
    1,375,501,643.20/1,898,184,182.46 = 748,968,571/x
  3. Step 3: Cross multiply
    1,375,501,643.20x = 1,898,184,182.46 × 748,968,571
  4. Step 4: Simplify right side
    1,375,501,643.20x = 1,421,680,294,631,869,440
  5. Step 5: Solve for x
    x = 1,421,680,294,631,869,440/1,375,501,643.20
  6. Step 6: Final answer
    x = 1,033,572,225.57

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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.