Home / 700,570,303,815.95-1,050,749,278,038.40-190,668,805,425.68

Finding the Fourth Proportional to 700,570,303,815.95, 1,050,749,278,038.40 and 190,668,805,425.68

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Solution

The fourth proportional to 700,570,303,815.95, 1,050,749,278,038.40 and 190,668,805,425.68 is: 285,974,310,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,570,303,815.95 : 1,050,749,278,038.40 = 190,668,805,425.68 : x
  2. Step 2: Convert to fraction form
    700,570,303,815.95/1,050,749,278,038.40 = 190,668,805,425.68/x
  3. Step 3: Cross multiply
    700,570,303,815.95x = 1,050,749,278,038.40 × 190,668,805,425.68
  4. Step 4: Simplify right side
    700,570,303,815.95x = 200,345,109,645,477,426,495,488
  5. Step 5: Solve for x
    x = 200,345,109,645,477,426,495,488/700,570,303,815.95
  6. Step 6: Final answer
    x = 285,974,310,578.42

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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.