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Finding the Fourth Proportional to 610,417,801.20, 915,626,701.80 and 586,609,244.40

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Solution

The fourth proportional to 610,417,801.20, 915,626,701.80 and 586,609,244.40 is: 879,913,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,417,801.20 : 915,626,701.80 = 586,609,244.40 : x
  2. Step 2: Convert to fraction form
    610,417,801.20/915,626,701.80 = 586,609,244.40/x
  3. Step 3: Cross multiply
    610,417,801.20x = 915,626,701.80 × 586,609,244.40
  4. Step 4: Simplify right side
    610,417,801.20x = 537,115,087,695,362,048
  5. Step 5: Solve for x
    x = 537,115,087,695,362,048/610,417,801.20
  6. Step 6: Final answer
    x = 879,913,866.60

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Double scale
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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.