Home / 964,622,464.04-1,330,688,189.49-630,290,437.76

Finding the Fourth Proportional to 964,622,464.04, 1,330,688,189.49 and 630,290,437.76

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Solution

The fourth proportional to 964,622,464.04, 1,330,688,189.49 and 630,290,437.76 is: 869,480,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,622,464.04 : 1,330,688,189.49 = 630,290,437.76 : x
  2. Step 2: Convert to fraction form
    964,622,464.04/1,330,688,189.49 = 630,290,437.76/x
  3. Step 3: Cross multiply
    964,622,464.04x = 1,330,688,189.49 × 630,290,437.76
  4. Step 4: Simplify right side
    964,622,464.04x = 838,720,041,476,645,632
  5. Step 5: Solve for x
    x = 838,720,041,476,645,632/964,622,464.04
  6. Step 6: Final answer
    x = 869,480,105.16

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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.