Home / 1,038,985,483.87-1,433,782,246.11-562,671,983.89

Finding the Fourth Proportional to 1,038,985,483.87, 1,433,782,246.11 and 562,671,983.89

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Solution

The fourth proportional to 1,038,985,483.87, 1,433,782,246.11 and 562,671,983.89 is: 776,477,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,985,483.87 : 1,433,782,246.11 = 562,671,983.89 : x
  2. Step 2: Convert to fraction form
    1,038,985,483.87/1,433,782,246.11 = 562,671,983.89/x
  3. Step 3: Cross multiply
    1,038,985,483.87x = 1,433,782,246.11 × 562,671,983.89
  4. Step 4: Simplify right side
    1,038,985,483.87x = 806,749,100,884,973,824
  5. Step 5: Solve for x
    x = 806,749,100,884,973,824/1,038,985,483.87
  6. Step 6: Final answer
    x = 776,477,740.46

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Double scale
Find fourth proportional to 1,038,985,484.87, 1,433,782,247.49 and 562,671,984.89
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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.