Home / 1,018,602,021.40-1,527,903,032.10-553,697,434.60

Finding the Fourth Proportional to 1,018,602,021.40, 1,527,903,032.10 and 553,697,434.60

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Solution

The fourth proportional to 1,018,602,021.40, 1,527,903,032.10 and 553,697,434.60 is: 830,546,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,602,021.40 : 1,527,903,032.10 = 553,697,434.60 : x
  2. Step 2: Convert to fraction form
    1,018,602,021.40/1,527,903,032.10 = 553,697,434.60/x
  3. Step 3: Cross multiply
    1,018,602,021.40x = 1,527,903,032.10 × 553,697,434.60
  4. Step 4: Simplify right side
    1,018,602,021.40x = 845,995,989,191,331,456
  5. Step 5: Solve for x
    x = 845,995,989,191,331,456/1,018,602,021.40
  6. Step 6: Final answer
    x = 830,546,151.90

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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.