Home / 1,411,310,543.04-1,947,610,152-784,765,519.20

Finding the Fourth Proportional to 1,411,310,543.04, 1,947,610,152 and 784,765,519.20

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Solution

The fourth proportional to 1,411,310,543.04, 1,947,610,152 and 784,765,519.20 is: 1,082,977,307.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,310,543.04 : 1,947,610,152 = 784,765,519.20 : x
  2. Step 2: Convert to fraction form
    1,411,310,543.04/1,947,610,152 = 784,765,519.20/x
  3. Step 3: Cross multiply
    1,411,310,543.04x = 1,947,610,152 × 784,765,519.20
  4. Step 4: Simplify right side
    1,411,310,543.04x = 1,528,417,292,133,470,976
  5. Step 5: Solve for x
    x = 1,528,417,292,133,470,976/1,411,310,543.04
  6. Step 6: Final answer
    x = 1,082,977,307.63

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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.