Home / 1,345,485,953.10-2,018,228,929.65-982,688,897.10

Finding the Fourth Proportional to 1,345,485,953.10, 2,018,228,929.65 and 982,688,897.10

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Solution

The fourth proportional to 1,345,485,953.10, 2,018,228,929.65 and 982,688,897.10 is: 1,474,033,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,485,953.10 : 2,018,228,929.65 = 982,688,897.10 : x
  2. Step 2: Convert to fraction form
    1,345,485,953.10/2,018,228,929.65 = 982,688,897.10/x
  3. Step 3: Cross multiply
    1,345,485,953.10x = 2,018,228,929.65 × 982,688,897.10
  4. Step 4: Simplify right side
    1,345,485,953.10x = 1,983,291,160,973,072,128
  5. Step 5: Solve for x
    x = 1,983,291,160,973,072,128/1,345,485,953.10
  6. Step 6: Final answer
    x = 1,474,033,345.65

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Double scale
Find fourth proportional to 1,345,485,954.10, 2,018,228,931.15 and 982,688,898.10
Similar ratio
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1.5x scale

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.