Home / 845,312,155.86-1,166,399,221.71-483,200,949.24

Finding the Fourth Proportional to 845,312,155.86, 1,166,399,221.71 and 483,200,949.24

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Solution

The fourth proportional to 845,312,155.86, 1,166,399,221.71 and 483,200,949.24 is: 666,742,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,312,155.86 : 1,166,399,221.71 = 483,200,949.24 : x
  2. Step 2: Convert to fraction form
    845,312,155.86/1,166,399,221.71 = 483,200,949.24/x
  3. Step 3: Cross multiply
    845,312,155.86x = 1,166,399,221.71 × 483,200,949.24
  4. Step 4: Simplify right side
    845,312,155.86x = 563,605,211,123,069,248
  5. Step 5: Solve for x
    x = 563,605,211,123,069,248/845,312,155.86
  6. Step 6: Final answer
    x = 666,742,110.85

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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.