Home / 562,720,756.36-776,559,203.32-311,829,339.03

Finding the Fourth Proportional to 562,720,756.36, 776,559,203.32 and 311,829,339.03

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Solution

The fourth proportional to 562,720,756.36, 776,559,203.32 and 311,829,339.03 is: 430,327,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,720,756.36 : 776,559,203.32 = 311,829,339.03 : x
  2. Step 2: Convert to fraction form
    562,720,756.36/776,559,203.32 = 311,829,339.03/x
  3. Step 3: Cross multiply
    562,720,756.36x = 776,559,203.32 × 311,829,339.03
  4. Step 4: Simplify right side
    562,720,756.36x = 242,153,943,089,718,528
  5. Step 5: Solve for x
    x = 242,153,943,089,718,528/562,720,756.36
  6. Step 6: Final answer
    x = 430,327,014.51

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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.