Home / 713,139,904.60-1,069,709,856.90-651,917,901.40

Finding the Fourth Proportional to 713,139,904.60, 1,069,709,856.90 and 651,917,901.40

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Solution

The fourth proportional to 713,139,904.60, 1,069,709,856.90 and 651,917,901.40 is: 977,876,852.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,139,904.60 : 1,069,709,856.90 = 651,917,901.40 : x
  2. Step 2: Convert to fraction form
    713,139,904.60/1,069,709,856.90 = 651,917,901.40/x
  3. Step 3: Cross multiply
    713,139,904.60x = 1,069,709,856.90 × 651,917,901.40
  4. Step 4: Simplify right side
    713,139,904.60x = 697,363,005,017,142,272
  5. Step 5: Solve for x
    x = 697,363,005,017,142,272/713,139,904.60
  6. Step 6: Final answer
    x = 977,876,852.10

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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.