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Finding the Fourth Proportional to 559,897,030.40, 839,845,545.60 and 525,884,806.40

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Solution

The fourth proportional to 559,897,030.40, 839,845,545.60 and 525,884,806.40 is: 788,827,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,897,030.40 : 839,845,545.60 = 525,884,806.40 : x
  2. Step 2: Convert to fraction form
    559,897,030.40/839,845,545.60 = 525,884,806.40/x
  3. Step 3: Cross multiply
    559,897,030.40x = 839,845,545.60 × 525,884,806.40
  4. Step 4: Simplify right side
    559,897,030.40x = 441,662,012,153,758,336
  5. Step 5: Solve for x
    x = 441,662,012,153,758,336/559,897,030.40
  6. Step 6: Final answer
    x = 788,827,209.60

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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.