Home / 562,720,758.40-776,559,206.13-311,829,341.07

Finding the Fourth Proportional to 562,720,758.40, 776,559,206.13 and 311,829,341.07

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Solution

The fourth proportional to 562,720,758.40, 776,559,206.13 and 311,829,341.07 is: 430,327,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,720,758.40 : 776,559,206.13 = 311,829,341.07 : x
  2. Step 2: Convert to fraction form
    562,720,758.40/776,559,206.13 = 311,829,341.07/x
  3. Step 3: Cross multiply
    562,720,758.40x = 776,559,206.13 × 311,829,341.07
  4. Step 4: Simplify right side
    562,720,758.40x = 242,153,945,543,918,272
  5. Step 5: Solve for x
    x = 242,153,945,543,918,272/562,720,758.40
  6. Step 6: Final answer
    x = 430,327,017.32

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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.