Home / 772,646,713.60-1,158,970,070.40-465,780,870.40

Finding the Fourth Proportional to 772,646,713.60, 1,158,970,070.40 and 465,780,870.40

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Solution

The fourth proportional to 772,646,713.60, 1,158,970,070.40 and 465,780,870.40 is: 698,671,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,646,713.60 : 1,158,970,070.40 = 465,780,870.40 : x
  2. Step 2: Convert to fraction form
    772,646,713.60/1,158,970,070.40 = 465,780,870.40/x
  3. Step 3: Cross multiply
    772,646,713.60x = 1,158,970,070.40 × 465,780,870.40
  4. Step 4: Simplify right side
    772,646,713.60x = 539,826,088,158,461,312
  5. Step 5: Solve for x
    x = 539,826,088,158,461,312/772,646,713.60
  6. Step 6: Final answer
    x = 698,671,305.60

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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.