Home / 7,768,897,125.60-11,653,345,688.40-7,639,902,616.80

Finding the Fourth Proportional to 7,768,897,125.60, 11,653,345,688.40 and 7,639,902,616.80

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Solution

The fourth proportional to 7,768,897,125.60, 11,653,345,688.40 and 7,639,902,616.80 is: 11,459,853,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,897,125.60 : 11,653,345,688.40 = 7,639,902,616.80 : x
  2. Step 2: Convert to fraction form
    7,768,897,125.60/11,653,345,688.40 = 7,639,902,616.80/x
  3. Step 3: Cross multiply
    7,768,897,125.60x = 11,653,345,688.40 × 7,639,902,616.80
  4. Step 4: Simplify right side
    7,768,897,125.60x = 89,030,426,219,282,153,472
  5. Step 5: Solve for x
    x = 89,030,426,219,282,153,472/7,768,897,125.60
  6. Step 6: Final answer
    x = 11,459,853,925.20

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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.