Home / 869,822,572.74-1,200,355,346.34-478,681,996.74

Finding the Fourth Proportional to 869,822,572.74, 1,200,355,346.34 and 478,681,996.74

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Solution

The fourth proportional to 869,822,572.74, 1,200,355,346.34 and 478,681,996.74 is: 660,581,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,822,572.74 : 1,200,355,346.34 = 478,681,996.74 : x
  2. Step 2: Convert to fraction form
    869,822,572.74/1,200,355,346.34 = 478,681,996.74/x
  3. Step 3: Cross multiply
    869,822,572.74x = 1,200,355,346.34 × 478,681,996.74
  4. Step 4: Simplify right side
    869,822,572.74x = 574,588,493,983,565,440
  5. Step 5: Solve for x
    x = 574,588,493,983,565,440/869,822,572.74
  6. Step 6: Final answer
    x = 660,581,263.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.