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Finding the Fourth Proportional to 637,834,152.40, 895,386,460.40 and 637,834,152.40

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Solution

The fourth proportional to 637,834,152.40, 895,386,460.40 and 637,834,152.40 is: 895,386,460.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,834,152.40 : 895,386,460.40 = 637,834,152.40 : x
  2. Step 2: Convert to fraction form
    637,834,152.40/895,386,460.40 = 637,834,152.40/x
  3. Step 3: Cross multiply
    637,834,152.40x = 895,386,460.40 × 637,834,152.40
  4. Step 4: Simplify right side
    637,834,152.40x = 571,108,064,039,670,144
  5. Step 5: Solve for x
    x = 571,108,064,039,670,144/637,834,152.40
  6. Step 6: Final answer
    x = 895,386,460.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.