Home / 922,127,947.60-1,272,532,763.01-498,742,081.60

Finding the Fourth Proportional to 922,127,947.60, 1,272,532,763.01 and 498,742,081.60

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Solution

The fourth proportional to 922,127,947.60, 1,272,532,763.01 and 498,742,081.60 is: 688,262,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,127,947.60 : 1,272,532,763.01 = 498,742,081.60 : x
  2. Step 2: Convert to fraction form
    922,127,947.60/1,272,532,763.01 = 498,742,081.60/x
  3. Step 3: Cross multiply
    922,127,947.60x = 1,272,532,763.01 × 498,742,081.60
  4. Step 4: Simplify right side
    922,127,947.60x = 634,665,639,127,806,848
  5. Step 5: Solve for x
    x = 634,665,639,127,806,848/922,127,947.60
  6. Step 6: Final answer
    x = 688,262,014.81

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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.