Home / 1,461,464,427.60-2,192,196,641.40-370,947,495.60

Finding the Fourth Proportional to 1,461,464,427.60, 2,192,196,641.40 and 370,947,495.60

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Solution

The fourth proportional to 1,461,464,427.60, 2,192,196,641.40 and 370,947,495.60 is: 556,421,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,464,427.60 : 2,192,196,641.40 = 370,947,495.60 : x
  2. Step 2: Convert to fraction form
    1,461,464,427.60/2,192,196,641.40 = 370,947,495.60/x
  3. Step 3: Cross multiply
    1,461,464,427.60x = 2,192,196,641.40 × 370,947,495.60
  4. Step 4: Simplify right side
    1,461,464,427.60x = 813,189,853,990,061,312
  5. Step 5: Solve for x
    x = 813,189,853,990,061,312/1,461,464,427.60
  6. Step 6: Final answer
    x = 556,421,243.40

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.