Home / 7,358,615,925.12-10,154,931,291.72-4,186,799,764.92

Finding the Fourth Proportional to 7,358,615,925.12, 10,154,931,291.72 and 4,186,799,764.92

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Solution

The fourth proportional to 7,358,615,925.12, 10,154,931,291.72 and 4,186,799,764.92 is: 5,777,807,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358,615,925.12 : 10,154,931,291.72 = 4,186,799,764.92 : x
  2. Step 2: Convert to fraction form
    7,358,615,925.12/10,154,931,291.72 = 4,186,799,764.92/x
  3. Step 3: Cross multiply
    7,358,615,925.12x = 10,154,931,291.72 × 4,186,799,764.92
  4. Step 4: Simplify right side
    7,358,615,925.12x = 42,516,663,944,952,045,568
  5. Step 5: Solve for x
    x = 42,516,663,944,952,045,568/7,358,615,925.12
  6. Step 6: Final answer
    x = 5,777,807,182.44

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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.