Home / 1,125,803,292.88-1,688,681,023.80-307,915,594.96

Finding the Fourth Proportional to 1,125,803,292.88, 1,688,681,023.80 and 307,915,594.96

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Solution

The fourth proportional to 1,125,803,292.88, 1,688,681,023.80 and 307,915,594.96 is: 461,866,851.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,803,292.88 : 1,688,681,023.80 = 307,915,594.96 : x
  2. Step 2: Convert to fraction form
    1,125,803,292.88/1,688,681,023.80 = 307,915,594.96/x
  3. Step 3: Cross multiply
    1,125,803,292.88x = 1,688,681,023.80 × 307,915,594.96
  4. Step 4: Simplify right side
    1,125,803,292.88x = 519,971,222,141,038,848
  5. Step 5: Solve for x
    x = 519,971,222,141,038,848/1,125,803,292.88
  6. Step 6: Final answer
    x = 461,866,851.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.