Home / 851,436,020.40-1,277,154,030.60-837,087,113.40

Finding the Fourth Proportional to 851,436,020.40, 1,277,154,030.60 and 837,087,113.40

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Solution

The fourth proportional to 851,436,020.40, 1,277,154,030.60 and 837,087,113.40 is: 1,255,630,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,436,020.40 : 1,277,154,030.60 = 837,087,113.40 : x
  2. Step 2: Convert to fraction form
    851,436,020.40/1,277,154,030.60 = 837,087,113.40/x
  3. Step 3: Cross multiply
    851,436,020.40x = 1,277,154,030.60 × 837,087,113.40
  4. Step 4: Simplify right side
    851,436,020.40x = 1,069,089,180,842,129,152
  5. Step 5: Solve for x
    x = 1,069,089,180,842,129,152/851,436,020.40
  6. Step 6: Final answer
    x = 1,255,630,670.10

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1.5x scale

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.