Home / 1,109,688,631.47-1,531,358,120.06-601,038,690.24

Finding the Fourth Proportional to 1,109,688,631.47, 1,531,358,120.06 and 601,038,690.24

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Solution

The fourth proportional to 1,109,688,631.47, 1,531,358,120.06 and 601,038,690.24 is: 829,426,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,688,631.47 : 1,531,358,120.06 = 601,038,690.24 : x
  2. Step 2: Convert to fraction form
    1,109,688,631.47/1,531,358,120.06 = 601,038,690.24/x
  3. Step 3: Cross multiply
    1,109,688,631.47x = 1,531,358,120.06 × 601,038,690.24
  4. Step 4: Simplify right side
    1,109,688,631.47x = 920,405,478,769,251,072
  5. Step 5: Solve for x
    x = 920,405,478,769,251,072/1,109,688,631.47
  6. Step 6: Final answer
    x = 829,426,789.34

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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.