Home / 98,703,946,685.79-136,211,446,426.37-56,460,764,477.78

Finding the Fourth Proportional to 98,703,946,685.79, 136,211,446,426.37 and 56,460,764,477.78

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Solution

The fourth proportional to 98,703,946,685.79, 136,211,446,426.37 and 56,460,764,477.78 is: 77,915,854,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,703,946,685.79 : 136,211,446,426.37 = 56,460,764,477.78 : x
  2. Step 2: Convert to fraction form
    98,703,946,685.79/136,211,446,426.37 = 56,460,764,477.78/x
  3. Step 3: Cross multiply
    98,703,946,685.79x = 136,211,446,426.37 × 56,460,764,477.78
  4. Step 4: Simplify right side
    98,703,946,685.79x = 7,690,602,395,857,024,188,416
  5. Step 5: Solve for x
    x = 7,690,602,395,857,024,188,416/98,703,946,685.79
  6. Step 6: Final answer
    x = 77,915,854,979.33

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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.