Home / 941,069,988.36-1,298,669,402.55-517,674,532.74

Finding the Fourth Proportional to 941,069,988.36, 1,298,669,402.55 and 517,674,532.74

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Solution

The fourth proportional to 941,069,988.36, 1,298,669,402.55 and 517,674,532.74 is: 714,386,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,069,988.36 : 1,298,669,402.55 = 517,674,532.74 : x
  2. Step 2: Convert to fraction form
    941,069,988.36/1,298,669,402.55 = 517,674,532.74/x
  3. Step 3: Cross multiply
    941,069,988.36x = 1,298,669,402.55 × 517,674,532.74
  4. Step 4: Simplify right side
    941,069,988.36x = 672,288,076,148,806,144
  5. Step 5: Solve for x
    x = 672,288,076,148,806,144/941,069,988.36
  6. Step 6: Final answer
    x = 714,386,904.76

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Double scale
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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.