Home / 764,408,126.61-1,054,866,680.75-442,549,666.55

Finding the Fourth Proportional to 764,408,126.61, 1,054,866,680.75 and 442,549,666.55

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Solution

The fourth proportional to 764,408,126.61, 1,054,866,680.75 and 442,549,666.55 is: 610,708,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,408,126.61 : 1,054,866,680.75 = 442,549,666.55 : x
  2. Step 2: Convert to fraction form
    764,408,126.61/1,054,866,680.75 = 442,549,666.55/x
  3. Step 3: Cross multiply
    764,408,126.61x = 1,054,866,680.75 × 442,549,666.55
  4. Step 4: Simplify right side
    764,408,126.61x = 466,830,897,824,361,408
  5. Step 5: Solve for x
    x = 466,830,897,824,361,408/764,408,126.61
  6. Step 6: Final answer
    x = 610,708,967.60

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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.